1、SAE-AMs3817 ADOPTION NOTICE SAE-AMS3817, “NYLON BRAID, FLAT ELECTRICAL TYING RESIN COATED“, was adopted on 31-AUG-95 for use by the Department of Defense (DoD). Proposed changes by DoD activities must be submitted to the DoD Adopting Activity: Commander, Defense Supply Center Philadelphia, ATTN: DSC
2、P-ILEA, 700 Robbins Avenue, Philadelphia, PA 19111-5096. Copies of this document may be purchased from the Society of Automotive Engineers 400 Commonwealth Drive Warrendale, Pennsylvania, United States, 15096-0001. http:/www.sae.org/ Custodians: Army - GL Navy - SH Air Force - 99 DLA - IS Adopting A
3、ctivity: DLA - IS FSC 4020 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-The Engineering Society -Land =For Advanci
4、ng Sea Air and Mobility Space, AEROSPACE SPECIFICATION MATERIAL INTERNATIONAL 400 Commonwealth Drive, Warrendale, PA 15096-0001 Superseding AMS 3817C I Submitted for recognition as an American National Standard = AMS3817D Issued NOV 1959 OCT 1993 ed SEP1gg8 Nylon Braid, Flat Electrical Tying Resin C
5、oated 1. SCOPE: 1 .I 1.2 1.3 1.4 Form: This specification covers a resin-coated, high-tenacity, continuous-filament nylon in the form of flat braid. Application: This braid has been used typically for tying and lacing electrical wire hardness assemblies for service in the temperature range -55 to +7
6、5 OC (-67 to +I67 OF) where fungus resistance is required, but usage is not limited to such applications. Safety-Hazardous Materials: While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification
7、 does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved. Classificat
8、ion: This specification covers three classes, by size, as follows: a. Size 25 - 25 pounds force (1 11 N) minimum breaking strength b. Size 50 - 50 pounds force (222 N) minimum breaking strength c. Size 80 - 80 pounds force (356 N) minimum breaking strength SAE Technical Standards Board Rules provide
9、 that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.
10、“ SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions Copyright 1998 Society of Automotive Engineers, Inc All rights reserved. QUESTIONS REGARDING THIS DOCUMENT: (724) 772-71 54 FAX:
11、(724) 776-0243 TO PLACE A DOCUMENT ORDER: (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS: http:/www.sae.org Printed in U.S.A. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3817D SAE AMS 381
12、7D 2. APPLICABLE DOCUMENTS: The following publications form a part of this specification to the extent specified herein. The applicable issue of referenced publications shall be the issue in effect on the date of the purchase order. 2.1 ASTM Publications: Available from ASTM, 1 O0 Barr Harbor Drive,
13、 West Conshohocken, PA 19428-2959 ASTM D 259 Woven Tapes 2.2 U.S. Government Publications: Available from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094. FED-STD-191 Textile Test Methods MIL-STD-2073-1 DOD Materiel, Procedures for Development and Ap
14、plication of Packaging Requirements 3. TECHNICAL REQUIREMENTS: 3.1 Material and Fabrication: 3.1 .I Yarn: Braid shall be made from high-tenacity, continuous-filament nylon yarn. 3.1.2 Impregnation: Finished braid shall contain 15 to 30% by weight of a non-toxic, fungistatic resin dispersion. Fungici
15、de containing mercury or copper, or compounds of mercury or copper, shall not be used. 3.1.3 Construction: Shall be as specified in Table 1, determined in accordance with ASTM D 259. TABLE IA - Construction, Inch/Pound Units Size Size Size Characteristic 25 50 80 Nominal Width, inch 0.062 0.090 0.12
16、5 Nominal Thickness, inch 0.012 0.012 0.012 Yards per pound, minimum 1650 850 550 Total Ends, minimum 12 17 27 Picks per inch, minimum 20 18 18 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 381
17、7D SAE AMS 3817D TABLE 1B - Construction, SI Units Size Size Size Characteristic 25 50 80 Nominal Width, mm 1.57 2.29 3.18 Nominal Thickness, mm 0.30 0.30 0.30 Total Ends, minimum 12 17 27 Picks per mm, minimum 0.79 0.71 0.71 Meters per kg, minimum 3326 1714 1109 3.1.4 Color: Shall be natural (off-w
18、hite). 3.2 Properties: Braid shall conform to the following requirements: 3.2.1 3.2.2 3.2.3 Mechanical Properties: Shall be as specified in Table 2, determined in accordance with ASTM D 259. TABLE 2A - Mechanical Properties, Inch/Pound Units Size Size Size Prop e rt y 25 50 80 Breaking Strength, min
19、imum average 25 Ibf 50 Ibf 80 Ibf Elongation, maximum average 40% 40% 40% TABLE 2B - Mechanical Properties, SI Units Size Size Size Prop e rt y 25 50 80 Breaking Strength, minimum average 11 1 N 222 N 356 N Elongation, maximum average 40% 40% 40% Slip Resistance: Breaking strength test applied to a
20、square knot made in two lengths of braid firmly tied together shall result in no slippage of the knot when loaded up to two-thirds the specified breaking strength of the braid. Fray Resistance: A freshly cut end of the braid shall not fray open when held approximately 1/4 inch (6.4 mm) from the end
21、and firmly tamped several times on a hard surface. -3- Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3817D SAE AMS 3817D 3.2.4 Fungus Resistance: The braid shall exhibit no fungus growth, deter
22、mined in accordance with FED-STD-191, Method 5760. 3.3 Quality: Braid, as received by purchaser, shall be uniform in quality and condition, smooth, and free from foreign materials and from imperfections detrimental to usage of the braid. 3.4 Standard Sizes and Tolerances: Standard sizes shall be 25,
23、 50, and 80. Width tolerance shall be I1 5% and thickness tolerance shall be 10.003 inch (10.08 mm) of specified values. 4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The manufacturer of braid shall supply all samples for required tests and shall be responsible for performing a
24、ll required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the braid conforms to the requirements of this specification. 4.2 Classification of Tests: 4.2.1 Acceptance Tests: Tests for nominal width and thickness (Table I), breaki
25、ng strength and elongation (Table 2), slip resistance (3.2.2), and fray resistance (3.2.3) are acceptance tests and shall be performed on each lot. 4.2.2 Preproduction Tests: Tests for all technical requirements are preproduction tests and shall be performed prior to or on the initial shipment of br
26、aid by a manufacturer, when a change in ingredients and/or processing requires reapproval as in 4.4.2, and when purchaser deems confirmatory testing to be required. 4.2.2.1 For direct US. Military procurement, substantiating test data and, when requested, preproduction test material shall be submitt
27、ed to the cognizant agency as directed by the procuring activity, contracting officer, or request for procurement. 4.3 Sampling and Testing: Shall be as follows: 4.3.1 For Acceptance Tests: Sufficient braid shall be taken at random from each lot to perform all required tests. The number of determina
28、tions for each requirement shall be as specified in the applicable test procedure or, if not specified therein, not less than three. -4- Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3817D SAE
29、AMS 3817D 4.3.1 .I A lot shall be all braid of the same size, produced in a single production run from the same lot of nylon filaments and the same batch of fungistatic resin, and presented for vendors inspection at one time. A lot shall not exceed 450,000 feet (137,160 m) of braid. 4.3.1.2 When a s
30、tatistical sampling plan has been agreed upon by purchaser and supplier, sampling shall be in accordance with such plan in lieu of sampling as in 4.3.1 and the report of 4.5 shall state that such plan was used. 4.3.2 For Preproduction Tests: As agreed upon by purchaser and supplier 4.4 Approval: 4.4
31、.1 Sample braid shall be approved by purchaser before braid for production use is supplied, unless such approval be waived by purchaser. Results of tests on production braid shall be essentially equivalent to those on the approved sample. 4.4.2 Manufacturer shall use ingredients, manufacturing proce
32、dures, and methods of inspection on production braid which are essentially the same as those used on the approved sample. If necessary to make any change in ingredients, in type of equipment for processing, or in manufacturing procedures, manufacturer shall submit for reapproval a statement of the p
33、roposed changes in ingredients and/or processing and, when requested, sample braid. Production braid made by the revised procedure shall not be shipped prior to receipt of reapproval. 4.5 4.6 Rep o rts : The supplier of braid shall furnish with each shipment a report showing the results of tests to
34、determine conformance to the acceptance test requirements and stating that the braid conforms to the other technical requirements. This report shall include the purchase order number, lot number, AMS 381 7D, manufacturers product designation, size, and quantity. Resampling and Retesting: If any spec
35、imen used in the above tests fails to meet the specified requirements, disposition of the braid may be based on the results of testing three additional specimens for each original nonconforming specimen. Failure of any retest specimen to meet the specified requirements shall be cause for rejection o
36、f the braid represented. Results of all tests shall be reported. 5. PREPARATION FOR DELIVERY: 5.1 Packaging and Identification: 5.1 .I A lot of braid may be packaged in small quantities and delivered under the basic lot approval provided lot identification is maintained. -5- Copyright SAE Internatio
37、nal Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3817D SAE AMS 3817D 5.1.2 5.1.3 5.1.4 5.1.5 5.1.6 5.1.7 Braid shall be furnished on parallel-wind spools or universal-wind tubes. Sizes 25 and 50 braid shall be supplied i
38、n 500-yard (457-m) lengths and size 80 shall be supplied in 250-yard (229-m) lengths. A tolerance of +IO% and -3% in length will be allowed. There shall be not more than four pieces per spool or tube and no piece shall be less than 50 yards (46 m) in length. The braid shall be free from twists, lump
39、s, and projecting ends and shall be evenly wound so that each turn and layer is free from entanglement and twisting. Each roll shall be legibly identified with not less than the following information, by a label attached so as to remain in place until all braid has been removed, using characters whi
40、ch will not be obliterated by normal handling. NYLON BRAID, FLAT ELECTRICAL TYING, RESIN COATED AMS 3817D SIZE DESIGNATION . QUANT I TY . PURCHASE ORDER NUMBER . MANUFACTURERS I DENTI FI CATION . LOT NUMBER Packaging shall be accomplished to ensure that the braid, during shipment and storage, will b
41、e protected against damage from exposure to moisture, weather, or any other normal hazard. Each package of braid shall be permanently and legibly marked with not less than the following information: NYLON BRAID, FLAT, ELECTRICAL TYING, RESIN COATED AMS 3817D SIZE DESIGNATION . QUANT I TY . PURCHASE
42、ORDER NUMBER . MANUFACTURERS I DENTI FI CATION . LOT NUMBER WEIGHT OF PACKAGE . Packages of braid shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the braid to en
43、sure carrier acceptance and safe delivery. For direct U.S. Military procurement, packaging shall be in accordance with MIL-STD-2073-1, Commercial Level, unless Level A is specified in the request for procurement. 6. ACKNOWLEDGMENT: A supplier shall mention this specification number and its revision
44、letter in all quotations and when acknowledging purchase orders. -6- Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3817D SAE AMS 3817D 7. REJECTIONS: Braid not conforming to this specification,
45、 or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES: 8.1 8.2 8.3 8.4 8.5 The change bar ( I ) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of thi
46、s specification. An (R) symbol to the left of the document title indicates a complete revision of the specification. Dimensions and properties in inch/pound units and the Celsius temperatures are primary; dimensions and properties in SI units and the Fahrenheit temperatures are shown as the approxim
47、ate equivalents of the primary units and are presented only for information. For direct US. Military procurement, purchase documents should specify not less than the following: Title, number, and date of this specification Size of braid desired Quantity of braid desired Level A packaging, if require
48、d (See 5.1.7). Similar Specifications: MIL-T-43435 is listed for information only and shall not be construed as an acceptable alternate unless all requirements of this AMS are met. Braid meeting the requirements of this specification has been classified under Federal Supply Classification (FSC) 4020. PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “P“ -I- Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
