NAVY MIL-A-2877 C-1985 ALUMINUM ALLOY TAPE《铝合金磁带》.pdf

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1、MIL-A-2877C 16 July 1985 SUPERSEDING MIL-A-2877B 26 July 1961 (See 6.3) MILITARY SPECIFICATION ALUMIN“ ALLOY TAPE This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers natural finish and anodized or dyed alu

2、minum alloy tape for use as banding ribbons and embossed identification tage. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Standards. Unless otherwise specified, the following standards of the issue listed in that issue of the Department of Defense Index of Specifi- cations and Standards

3、(DoDISS) specified in the solicitation form a part of this specification to the extent specified herein. STANDARDS FEDERAL FED-STD-595 - Colors. MILITARY MIL-STD-129 - Marking for Shipment and Storage. (Copies of standards required by contractors in connection with specific acquisition functions sho

4、uld be obtained from the contracting activity or as directed by the contracting officer. ) Beneficial comments (recommendations, additions, deletions) and any Pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Departm

5、ent of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 9535 DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited Provided by IHSNot for ResaleN

6、o reproduction or networking permitted without license from IHS-,-,-2.2 Other publication. The following document forms a part of this speci- fication to the extent specified herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and th

7、e supplement thereto, if applicable. AMERICAN SOCIETY FOR TESTING AND MATERIALS (AST“) D 3951 - Standard Practice for Commercial Packaging. (DoD adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Industr

8、y association specifications and standards are generally available for reference from libraries. They are also distributed among technical groups and using Federal agencies.) 2.2 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, t

9、he text of this specifica- tion shall take precedence. 3. REQUIREMENTS 3.1 Material. Unless otherwise specified (see 6.2), the material shall be aluminum alloy UNS A 95052 (formerly alloy 5052). 3.1.1 Recovered materials. Unless otherwise specified herein, all material, covered by this specification

10、 shall be new and may be produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed t

11、o virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specif ically specified. 3.2 Sizes. Tape shall be furnished in the following sizes, as specified (see 6.2): Width Thickness Inches Inch

12、 5/16 0.014 - 0.016 1 I2 .O14 - -016 11/16 o014 0016 7/8 .O14 - .O16 1-1 /2 .O14 . e016 3.2.1 Width tolerance. The width shall not vary more than plus or minus 0.010 inch. 3.3 Condition. 3.3.1 The tape shall be furnished in the annealed (O-temper) condition, and the metal shall not rupture when test

13、ed as specified in 4.4. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3.2 There shall be no separation of metal at any bent portion when sub- jected to the test specified ln clean, sound, smooth, commercially flat, and free from buckles, bliste

14、rs, and other injurious defects within the limits consistent with the best commercial practice. Discoloration due to thermal treatment shall not be cause for rejection. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, th

15、e contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, un

16、less disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 Quality conformance inspection. Tape shall be exa

17、mined and tested to verify compliance with the requirements specified herein. 4.2.1 - Lot. All tape of the same size, made of the same material, and offered for delivery at one time shall be considered a lot for purposes of sampling and inspection. 4.2.2 Sampling for inspection. Samples of tape shal

18、l be selected from each lot offered for delivery in accordance with table I. TABLE I. Sampling for inspection. Rolls of each color, Rolls to be width, and material and tested offered for delivery inspected up to 75 . 1 76 to 350 4 901 to 1900 . 3 351 to 900 2 1901 to 3400 . 5 3401 to 6000 . 6 6001 t

19、o 9000 . 7 9001 to 12,000 . 8 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-2877C 4.3 Examination. The tape shall be examined for workmanship, width, thick- ness, length per roll, and continuity of color. Five measurements for thickness and

20、 width shall be made, at least 3 feet apart, and no measurement shall be out- side the tolerances specified in 3.2.1 and 3.2.2. If any sample is found to be defective, the lot shall be rejected. 4.4 Bend test. From each roll selected in accordance with 4.2.2, the tape shall be bent in five locations

21、 at least 3 feet apart. At each location the tape shall be bent back on itself around a pin approximately 0.05 inch in diameter, and straightened to its approximate original flatness by pulling with the hands. 4.4.1 If any sample fails the bend test, the lot shall be rejected. 4.5 Inspection of pack

22、aging. Sample packages and packs, and the inspection of the preservation-packaging, packing and marking for shipment and storage shall be in accordance with the requirements of section 5 and the documents specified therein. 5. PACKAGING (The packaging requirements specified herein apply only for dir

23、ect Govern- ment acquisition.) 5.1 Preservation-packaging and packing. Unless otherwise specified (see 6-21, the tape shall be preserved-packaged and packed in accordance with the requirements of ASTM D 3951. 5.2 Marking. Marking for shipment shall be in accordance with MIL-STD-129. In addition, any

24、 special contract or order marking requirements shall be adhered to (see 6.2). 6. NOTES 6.1 Intended use. This specification is intended for use in the banding ahd identification of nonferrous products. 6.2 Ordering data. Acquisition documents should specify the following: Title, number, and date of

25、 this specification. Alloy and temper required, if other than specified (see 3.1). Size required (see 3.2). If to be colored on one side only (see 3.4.1). Whether metal is to be anodized or given other corrosion Length required (see 3.5). Level of preservation-packaging and packing, if other than If

26、 special marking is required (see 5.2). resistant coating (see 3.4.1). ASTM D 3951 (see 5.1). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-2877C 6.3 Changes from previous issue. Asterisks are not used in this revision to identify changes w

27、ith respect to the previous issue, due to the extensiveness of the changes. Custodians: Army .- MR Navy - SH Review activities: Army - ME Navy - AS DLA - IS User activity: Navy - MC Preparing activity: Navy - SH (Project 9535-0401) QU.8. OOVERNMENT PRINTING OFFICE IS86 - 606-038/23168 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-