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    NAVY MIL-STD-792 F-2006 IDENTIFICATION MARKING REQUIREMENTS FOR SPECIAL PURPOSE COMPONENTS《特殊元件鉴定标记需求》.pdf

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    NAVY MIL-STD-792 F-2006 IDENTIFICATION MARKING REQUIREMENTS FOR SPECIAL PURPOSE COMPONENTS《特殊元件鉴定标记需求》.pdf

    1、 MIL-STD-792F(SH) 19 May 2006 SUPERSEDING MIL-STD-792E (SH) Notice 2 20 January 1993 DEPARTMENT OF DEFENSE MANUFACTURING PROCESS STANDARD IDENTIFICATION MARKING REQUIREMENTS FOR SPECIAL PURPOSE COMPONENTS AMSC N/A AREA SESS DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited

    2、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-792F(SH) 19 May 2006 ii DEPARTMENT OF THE NAVY NAVAL SEA SYSTEMS COMMAND Washington, DC 20376-5160 Identification Marking Requirements for Special Purpose Components 1. This standard is approve

    3、d for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 2. Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may be of use in improving this document sh

    4、ould be sent to: Commander, Naval Sea Systems Command, ATTN: SEA 05Q, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to commandstandardsnavsea.navy.mil, with the subject line “Document Comment“. Since contact information can change, you may want to verify the cu

    5、rrency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-792F(SH) 19 May 2006 iii CONTENTS Page Paragraph 1. SCOPE . 1 1.1 Purpose1 1.2 Applicability1 2.

    6、 REFERENCED DOCUMENTS .1 2.1 General 1 2.2 Government Documents1 2.2.1 Specifications, standards and handbooks 1 2.2.2 Other Government documents 1 2.3 Non-Government publications .2 2.4 Order of precedence2 3. DEFINITIONS .2 3.1 Identification marking.2 3.2 Permanent marking2 3.3 Temporary marking

    7、.2 3.4 Low stress die stamps .2 3.5 Authorized representative of Naval Sea Systems Command (NAVSEA) .3 3.6 Layout marking 3 4. GENERAL REQUIREMENTS.3 4.1 Permanent marking methods.3 4.2 Temporary marking methods.3 5. DETAILED REQUIREMENTS 4 5.1 Type I, vibrating marking tools.4 5.2 Type II, electroc

    8、hemical etching 4 5.3 Type III, raised markings4 5.4 Type IV, nameplates .4 5.5 Type V, die stamping 4 5.6 Type VI, special marking4 5.7 Type VII, engrave marking.5 5.8 Type VIII, laser engraving .5 5.8.1 Type IX, dot matrix marking5 5.9 Limitations on identification marking .6 5.10 Limitations on p

    9、ermanent identification marking6 5.11 Limitations on temporary identification or layout marking7 5.11.2.1.1 Surfaces without crevices or inaccessible areas .8 5.11.2.1.2 Surfaces with crevices and inaccessible areas8 Provided by IHSNot for ResaleNo reproduction or networking permitted without licens

    10、e from IHS-,-,-MIL-STD-792E(SH) 12 August 1986 iv CONTENTS (continued) Page Paragraph 5.11.2.1.3 Halogenated solvents .8 6. NOTES9 6.1 Intended use 9 6.2 Subject term (key word) listing.9 6.3 Changes from previous issue .9 Provided by IHSNot for ResaleNo reproduction or networking permitted without

    11、license from IHS-,-,-MIL-STD-792F(SH) 19 May 2006 1 1. SCOPE 1.1 Purpose. The purpose of this standard is to provide general requirements for the marking of raw materials, products and components. 1.2 Applicability. This standard provides general requirements for surface marking on components, compo

    12、nent parts and piping for purposes of permanent identification, temporary identification and dimensional layout. Requirements for marking of raw materials as required by material specifications are not superseded by this standard. In the event of a conflict between the text of this standard and the

    13、marking requirements and prohibitions of product and component specifications and welding standards, this standard shall not take precedence. 2. REFERENCED DOCUMENTS 2.1 General. The documents listed in this specification are specified in sections 3, 4 or 5 of this specification. This section does n

    14、ot include documents cited in other sections of this specification or recommended for additional information as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of the documents cited in se

    15、ctions 3, 4 and 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards and handbooks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues

    16、of these documents are those cited in the solicitation or contract. Unless otherwise indicated, copies of federal specifications and standards are available from the ASSIST Online database at http:/assist.daps.dla.mil or the Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Phil

    17、adelphia, PA 19111-5094). SPECIFICATIONS MILITARY MIL-PRF-16173 - Corrosion Preventive Compound, Solvent Cutback, Cold-Application. MIL-DTL-24466 Polyethylene Sheet, Bags, and Tubing, Green. 2.2.2 Other Government documents. The following other Government document forms a part of this standard to th

    18、e extent specified herein. CODE OF FEDERAL REGULATIONS (CFR) 27 CFR 21.47 - Code of Federal Regulations, Subpart D, Alcohol, Tobacco Products and Firearms Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-792F(SH) 19 May 2006 2 (Application for

    19、 copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) (Copies of specifications and publications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by t

    20、he contracting activity.) 2.3 Non-Government publications. The following document forms a part of this standard to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) B4.0

    21、 - Methods for Mechanical Testing of Welds. (DoD adopted) (Application for copies should be addressed to the American National Standards Institute Inc., 25 West 43rd Street, New York, NY 10036.) (Nongovernment standards and other publications are normally available from the organizations which prepa

    22、re or which distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.4 Order of precedence. In the event of a conflict between the text of this standard and the references cited herein, the text of this standard shall take precedence

    23、. 3. DEFINITIONS 3.1 Identification marking. Identification marking consists of letters, numbers, directional arrows or symbols intentionally added to metal surfaces of components, components parts, or piping for identification or instructional purposes. Marking can be separated into two categories:

    24、 permanent and temporary. 3.2 Permanent marking. Permanent marking is marking which is intended to remain integral with a component, component part or piping for purposes of permanent identification. 3.3 Temporary marking. Temporary marking is marking which is intended to remain integral with a comp

    25、onent, component part or piping for a limited time only. Temporary marking may be applied for identification, recording inspection information or dimensional layout or control. 3.4 Low stress die stamps. A low stress die stamp is defined as a round bottom impression tool producing an indentation con

    26、forming to the tabulated dimensions: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-792F(SH) 19 May 2006 3 Character Size Minimum tip radius Nominal impression width for 0.010 inch depth 1/16 inch 0.005 inch 0.020 inch 3/32 .006 .021 1/8 .00

    27、7 .022 3/16 .008 .026 1/4 .010 .031 3/8 .014 .042 1/2 .020 .062 3.5 Authorized representative of Naval Sea Systems Command (NAVSEA). An authorized representative of NAVSEA is the direct contractor, other than a shipbuilder, who has design and/or procurement responsibility. Vendors for the authorized

    28、 representative normally communicate directly with the authorized representative and not NAVSEA. 3.6 Layout marking. Layout markings are those markings and reference points (and lines) intentionally added to components and component parts to aid in manufacture, fit-up, assembly and inspection. 4. GE

    29、NERAL REQUIREMENTS 4.1 Permanent marking methods. The following methods shall be used for permanent identification on components, component parts or piping, subject to the limitations as specified in 5.9 and 5.10: Type I - Vibrating marking tool Type II - Electrochemical etch Type III - Raised marki

    30、ngs Type IV - Nameplates Type V - Die stamping Type VI - Special marking Type VII - Engrave marking Type VIII - Laser engraving Type IX - Dot matrix marking 4.2 Temporary marking methods. Any method as specified in 4.1 acceptable for permanent identification by this standard is acceptable for tempor

    31、ary marking, subject to the limitations as specified in 5.11. In addition, the following methods may also be used subject to the limitations as specified in 5.11: Type A - Fluid or solid marking materials Type B - Removable tape Type C - Removable tag Type D - Scribe mark Type E - Center punch Type

    32、F - Fabric tip marking pen Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-792F(SH) 19 May 2006 4 4.3 Exceptions to the permanent or temporary marking methods described herein must be submitted to NAVSEA or its authorized representative for a

    33、pproval. 4.4 The Office of the Secretary of Defense (OSD) mandated Unique Item Identification (UII) marking of U.S. Military property in 2004. In accordance with this mandate, NAVSEA procured and managed material will be marked in accordance with Standard Logistics procedures. 5. DETAILED REQUIREMEN

    34、TS 5.1 Type I, vibrating marking tools. Vibrating tools shall be fitted with a carbide marking point, or equivalent, and shall be adjusted to provide a legible shallow rounded impression not exceeding 0.010 inch in depth. The marking tool tip minimum radius shall be 0.005 inch. The minimum character

    35、 size scribed by the marking tool shall be approximately 3/32 inch high to insure legibility. The marking tool tips shall not be cadmium plated. 5.2 Type II, electrochemical etching. The electrolyte used shall be compatible with the base material to be marked. Electrolyte containing bromine, chlorin

    36、e, fluorine, sulfur and lead in excess of 250 parts per million (p/m) each shall not be used. Certified test results shall be submitted with each batch or mix of electrolyte to establish compliance with this limit. The certified test report shall also identify the analysis method(s) utilized. Etchin

    37、g shall be covered by a written procedure which includes as a minimum the specification of the electrolyte and cleaning methods. This procedure shall be made available to the authorized representative of NAVSEA concerned upon request. The depth of marking by electrochemical etching should be approxi

    38、mately 0.0005 inch deep or greater. 5.3 Type III, raised markings. Raised identification markings that are cast or forged integrally with the part are acceptable. 5.4 Type IV, nameplates. The method of attaching nameplates to parts shall be indicated on applicable drawings and shall minimize stress

    39、concentrations. Nameplates, where welded, shall be welded in accordance with the requirements of the applicable equipment specification. 5.5 Type V, die stamping. Die stamping can induce residual stresses in base materials and therefore is not a preferred marking method. To reduce the effects of res

    40、idual stresses in base material caused by application of die stamping, the following additional requirements shall be met: (a) Only round bottom, low stress die stamps in accordance with 3.4 shall be used. Impression depths shall not exceed 0.010 inch. (b) The marking shall be applied as specified i

    41、n 5.9.5. 5.6 Type VI, special marking. For certain marking applications, such as the serializing of internal component parts, the use of marking tools not permitted by the above requirements may simplify marking procedures and may not adversely affect the integrity of the parts where such markings a

    42、re applied in areas of low stress. Any special marking applications that take exception to the requirements of this standard shall be specifically indicated on the applicable Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-792F(SH) 19 May 200

    43、6 5 design drawings or in the applicable fabrication procedures and shall be submitted to the authorized representative of NAVSEA for approval prior to use. 5.7 Type VII, engrave marking. Engraved characters shall be restricted to the following dimensional limitations: maximum depth - 0.010 inch, mi

    44、nimum depth - 0.004 inch and minimum root radius - 0.005 inch. 5.8 Type VIII, laser engraving. Laser engraved characters shall have a nominal depth of 0.001 to 0.003 inch deep, but a maximum depth of the characters shall be no greater than 0.005 inch. (a) User activities are advised that variability

    45、 exists among different laser engraving machines in producing controlled depth and contour of engraved marks. (b) Each user activity shall have a formal qualification procedure for the laser engraving machine. The qualification procedure shall be approved by NAVSEA or their authorized representative

    46、. The qualification procedure must demonstrate that the laser engraving machine will provide a round bottom contour and the required size and depth of engraving for each material to be engraved. The demonstration shall include a minimum of five lines engraved on each material sample. A string of all

    47、 alpha (a to z) and numeric (0 to 9) characters shall be engraved beneath each line using the character type and size to be used in production. The engraved samples shall be inspected as follows: A transverse cross-section shall be removed from each sample. The samples shall be examined at 100X and

    48、evaluated for conformance to the depth and contour requirements. Cracks and loose or easily removed recast material are not permitted. A portion of each demonstration sample shall be tested in accordance with the ANSI B4.0 requirements for the bend testing of a weld. One face bend specimen shall be

    49、tested. The bend radius shall be selected to obtain a minimum 20 percent elongation or the minimum required elongation of the base material, whichever is less. The markings in the bend region shall be examined at 100X. Cracks and loose or easily removed recast material are not permitted. 5.8.1 Type IX, dot matrix marking.


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