1、NASM 22529-1999 Grommet, Edging_NAsM2252 9 ADOPTION NOTICE NASM22529, GROMMET, EDGING, was adopted on 31 MARCH 1999 for use by the Department of Defense (DoD). Proposed changes by DoD Activities must be submitted to the DoD Adopting Activity: Defense Industrial Supply Center, ATTN: DISC-AESD, 700 Ro
2、bbins Avenue, Philadelphia, PA 19111-5096. DoD Activities may obtain copies of this standard from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. The private sector and other Government agencies may purchase copies from the AEROSPACE INDUSTRIES
3、ASSOCIATION OF AMERICA, INC., 1250 EYE STREET, N. W., WASHINGTON, DC 20005-3924. -2529 Adoption Notice dated 31 MARCH 1999, is superseded by this Adoption Notice dated 1 APRIL 1999, because NASM22529 was not issued until APRIL 1999. custodians : Navy - AS Air Force - 99 DLA- I S Adopting activity :
4、DIA-IS (Project 5325-0453) AMSC N/A FSC 5325 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. COPYRIGHT Aerospace Industries Association of America, Inc. (AIA/NAS)Licensed by Information Handling ServicesNATIONAL AEROSPACE STANDARD 0 COPYRIGHT 1999 AEROSPACE INDUSTRI
5、ES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NASM22529 SPECIFICATION GROMMET, EDGING 1. SCOPE l. 1 Scope. This specification covers three types of edging grommets; a plastic caterpillar style applied with an adhesive, and two spring-style, stainless steel based composite grommets requiring no
6、 adhesives. Edging grommets are used to provide abrasion protection of electrical current carrying wires and cable bundles routed through metal structures. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section
7、does not include documents in other sections of this specification or recommended for additional information or 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 documents cited in sectio
8、ns 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specification, 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 of these
9、 documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL TT-1-735 Isopropyl Alcohol PPP-H-1581 - Hardware (Fasteners And Related Items) Packaging Of DEPARTM
10、ENT OF DEFENSE MIL-H-5606 - Hydraulic Fluid, Petroleum Base, Aircraft Missile And Ordnance MIL-T-5624 - Turbine Fuels, Aviation Grades JP-4, JP-5, and YJP-8 ST MIL-L-7808 - Lubricating Oil, Aircraft Turbine Engine, Synthetic Base THE INITIAL RELEASE OF THIS DOCUMENT SUPERSEDES MIL-DTL-22529, REVISIO
11、N D, ADMENDMENT 2. LIST OF CURRENT SHEETS No. I Rev I No. I Rev 1 NEW 6 NEW .2 NEW 5 NEW 3 NEW 8 NEW 4 NEW 7 NEW 1 OF8 APPROVAL DATE APRIL 1999 REVISION FSC 5325 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
12、CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENT.ATION OR CLAIM RESPECTING (I) THE SUlTABLlTY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXlSTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARK RIGHTS COPYRIGHT Aerospace Industries Association of A
13、merica, Inc. (AIA/NAS)Licensed by Information Handling ServicesSTD*AIA/NAS NASM22527-ENGL 1779 W 03L87Li3 050b504 7T3 NATIONAL AEROSPACE STANDARD Q COPYIUGHT 1999 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL NGHTS RESERVED NASM22529 STANDARDS DEPARTMENT OF DEFENSE MIL-STD- 129 Marking for S
14、hipment and Storage (Part 1 of 4 Parts) MIL-STD-202 Electronic and Electrical Component Parts, Test Methods For MS2 1266 Grommet, Edging Plastic MIL-DTL-22529/1 Grommet, Composite, Edging MIL-DTL-22529/2 Grommet, Cushion, Composite, Edging (Unless otherwise indicated, copies of specifications, stand
15、ards and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 191 11-5094.) 2.3 Non-Government publications.The following document forms a part of this specification to the extent specified herein. Unless otherwise specified, the iss
16、ues of the documents which are DoD adopted shall be those listed in the issue of the DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issue of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND
17、 MATERIALS (ASTM) ASTM D1457 - Standard specification for Polytetrafluoroethylene (PTFE) Molding and Extrusion Materials ASTM D4066 - Standard Specification for Nylon Inspection and Extrusion Material (Copies of ASTM publication may be obtained from the American Society for Testing and Materials, 19
18、 16 Race Street, Philadelphia, PA 19103-1187.) MUNSELL COLOR COMPANY, INC. Munsell Book of Color (Copies of the Munsell Book of Color may be obtained from the Munsell Color Company, Inc., 2441 N. Calvert Street. Baltimore, MD 2 12 18-5204.) 2.4 Order of precedence. In the event of a conflict between
19、 the text of this document and the references cited herein the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individual grommet require
20、ments shall be in accordance with MS21266 or MIL-DTL-22529/1 and MIL-DTL-22529/2. In the event of any conflict between requirements of this specification and the Specification Sheets, the latter shall govern. 2 APPROVAL DATE APRIL 1999 REVISION USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL A
21、EROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SLPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OK CLAIM RESPECTING (I) THE SUITABLITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY THE
22、RETO OF PATENT OR TRADEMARK RIGHTS COPYRIGHT Aerospace Industries Association of America, Inc. (AIA/NAS)Licensed by Information Handling ServicesNATIONAL AEROSPACE STANDARD O COPYRIGHT 1999 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NASM22529 3.2 Performance. 3.2.1 Dielect
23、ric withstanding voltage (dielectric strength). There shall be no disruptive discharge, nor any deterioration of the grommet when subjected to Dielectric Strength Test specified in 4.2.9. This requirement shall modified per MIL-DTL-22529/1 and MIL-DTL-22529/2. 3.2.2 Immersion. The grommets shall sho
24、w no evidence of cracking, pitting or material failure, after subjection to the immersion test specified in 4.2.5. 3.2.3 Temperature cycling. The grommets shall show no evidence of cracking, pitting or material failure, after subjection to the temperature test specified in 4.2.6. 3.2.4 High Temperat
25、ure and load deformation. Dimension “T”, shown on Figure 2 (Section “AA”), shall be not less than one-half that of an untested grommet of same type and size upon completion of the high temperature and load deformation test (4.2.7). 3.2.5 Vibration. The grommets shall show no evidence of cracking, pi
26、tting or material failure, after subjection to the vibration test specified in 4.2.8. 3.2.6 Salt spray (corrosion). The grommet shall show no evidence of corrosion after subjection to salt spray (corrosion) test specified in 4.2.10. a. Test samples shall be prepared by cutting approximately a seven
27、inch length of grommet using MFE 1200 shears. Then cut approximately one inch off the opposite end from the first cut, so that both ends are freshly cut. When trimming the grommet with the MFE 100. Shears support the grommet on both sides of the cut. b. The samples shall be tested for 500 hours. 3.3
28、 - Color. The nylon grommets shall be white and shall have a value not less than 9.0 as specified by the Munsell Book of Color. The polytetrafluoroethylene (TFE) shall be neutral color (light gray) having a chroma not greater than 1.0 and having a value not less than 6.0 or greater than 8.0 as defin
29、ed by the Munsell Book of Color. The composite Grommet type MIL-DTL-22529/1 shall be brown per FED-STD-595, color number 10075, and the MIL-DTL-2252912 shall be black. 3.4 Identification of Product. Each grommet shall have the MS part number and the manufacturers identification on the outer surface.
30、 Nylon and TFE grommet types will be molded on the outer surface. The composite grommet type printed. 3.5 Workmanship. The general appearance shall reflect highest standard of workmanship, uniformity of quality and freedom from defects or foreign matter which could adversely affect safety, performan
31、ce, reliability or durability of the grommets. 4 VERIFICATION 4.1 Classification of inspection. The inspection of all grommets shall be classified as conformance inspections (see 4.2). 3 APPROVAL DATE APRIL 1999 REVISION USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENT
32、IRELY VOLUNTARY. AIA DOES NOT QUALIFY SCPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATIOS OR CLAIM RESPECTING (I) THE SUITABLITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY 1HERETO OF PATENT OR TRADEM
33、ARK RIGHTS COPYRIGHT Aerospace Industries Association of America, Inc. (AIA/NAS)Licensed by Information Handling ServicesNATIONAL AEROSPACE STANDARD 0 COPYRIGHT 1999 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NASM22529 4.2 Conformance inspections. Quality conformance inspe
34、ction shall be as specified in table I. Sampling shall be based upon a zero-based acceptance plan outlined in Table II. ANSUASQCZ1.4 shall be used as a guide in the development of contractors statistical techniques to assure the grommets meet all requirements specified herein. Inspection Dimensions
35、Immersion Temperature cycling High Temperature and load deformation Vibration Dielectric withstand Voltage TABLE I. Conformance inspection. I I Test Paragraph - - Lot Size 1-8 9-15 16-25 26-50 5 1-90 91-150 151-280 281-500 501-1200 120 1-3200 320 1 - 10,000 10,001-35,000 35,001-150,000 150,001 -500,
36、000 500,001 & over - 1/ Index Values to be used on the Critical Characteristics r Level Major Major Major Major Major Major 4.2.3 4.2.5 4.2.6 4.2.7 4.2.8 4.2.9 TABLE II “C = O” TABLE INDEX VALUES 1/ - Sample Size (Acceptance number in all cases is zero. “A” indicates the entire Critical A A A A A A
37、A A A 1250 1250 1250 1250 1250 1250 = O” table shall be: lot must be inspected. Major A 13 13 13 13 13 20 29 34 42 50 60 74 90 102 Minor 3 3 3 3 6 7 10 11 15 18 22 29 29 29 29 (where 100 % inspection is not Specified) .o 10% Major Characteristics 1 .O% Minor Characteristics 4.0% 4 APPROVAL DATE APRI
38、L 1999 REVISION USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY CONFORMANCE Of ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (I) THE SUITABLITY Of ITEMS FOR
39、ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY 1HERETO OF PATENT OR TRADEMARK RIGHTS COPYRIGHT Aerospace Industries Association of America, Inc. (AIA/NAS)Licensed by Information Handling ServicesSTD*AIA/NAS NASM22527-ENGL NATIONAL AEROSPACE STANDARD Q COPYRIGHT 1999 AEROSPACE IN
40、DUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NASM22529 4.2.1 Inspection lot. An inspection lot shall consist of all grommets of the same size produced under essentially the same conditions and offered for inspection at one time. 4.2.2 Sampling plan. Samples shall be selected at random,
41、from each production lot, in accordance with Table I and II. 4.2.3 Dimensions. The grommets shall be checked dimensionally to determine conformance to the dimensions specified on the applicable specification sheet. 4.2.4 Preparation for delivery. Each of the fully prepared shipping containers, conta
42、ining grommets, shall be visually examined to determine that the packaging, packing and marking conform to the requirements of Section 5. 4.2.5 Immersion test. With the following fluids heated to, and maintained at a temperature of 50 + 2 - O C, two grommet assemblies (see 6.3.1) shall be immersed i
43、n each of the fluids for a minimum of one hour. a. Isopropyl Alcohol conforming to TT-1-735 b. Hydraulic Fluid, Petroleum base, Aircraft Missile and Ordnance, conforming to MIL-H-5606 c. Turbine fuel, Aviation Grades P-4, P-5 and 5/P-8 ST conforming to MIL-T-5624 d. Lubricating Oil, Aircraft Turbine
44、 Engine, Synthetic Base, conforming to MIL-L-7808 e. Upon completion of the immersion test, the grommet assembly shall be wiped dry and shall remain for 1 hour in free air at room temperature. The grommets shall conform to the requirements specified in 3.2.2. The grommets shall then be subjected to
45、and pass the dielectric strength test (see 4.2.9). 4.2.6 Temperature cycling test. Grommets shall be tested in accordance with MIL-STD-202, Method 102A, Condition D, except Step 3 shall be per Table III. TABLE III Grommet Type +3 - O c MIL-DTL-22529/2 MS2 1266 MIL-DTL-22529/1 142 I TFE MS21266 275 -
46、 The grommets shall conform to the requirements specified in 3.2.3. The grommets shall then be subjected to, and pass the dielectric strength test (see 4.2.9). 4.2.7 High temperature and load deformation test. The grommets shall be mounted in the test fixture as shown in Figure 2. The fixture with t
47、he grommet, shall be placed in an ambient temperature for not less than 48 hours per Table IV. 5 APPROVAL DATE APRIL 1999 REVISION USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED U
48、NDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABLITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARK RIGHTS COPYRIGHT Aerospace Industries Association of America, Inc. (AIA/NAS)Licensed by Information Handling Services$TD.AIA/NAS NASM22529-ENGL 1999 0318793 0509098 918 NATIONAL AEROSPACE STANDARD O COPYRIGHT 1999 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED NASM22529 TABLE IV Grommet Type MS21266 MIL-DTL-22529/2 . - - - - - MIL-DTL-22529/1 12
