1、 REVISIONS LTR DESCRIPTION DATE APPROVED A Revise section 3 to update material, plating, and brazing requirements. Change figure 1 to show simplified design. 30 Oct 86 Ivan R. Jones B Updated material and plating requirements. Deleted suggested sources. 13 Jul 87 Randy Larson C Updated boilerplate a
2、nd references. 19 Apr 02 Kendall Cottongim D Updated boilerplate. Inactivated drawing due to lack of supply source. 04 Feb 08 Michael A. Radecki E Updated boilerplate. 02 Jan 14 Michael A. Radecki Prepared in accordance with ASME Y14.100 REV STATUS OF PAGES REV E E E E E E PAGES 1 2 3 4 5 6 PMIC N/A
3、 PREPARED BY Thomas M. Hess DESIGN ACTIVITY DEFENSE ELECTRONICS SUPPLY CENTER DAYTON, OH 45444-5000 Original date of drawing 18 September 1985 CHECKED BY Randy Larson TITLE CONTACT ASSEMBLY, ELECTRICAL APPROVED BY Ivan R. Jones SIZE A CODE IDENT. NO. 14933 DWG NO. 85115 REV E PAGE 1 OF 6 AMSC N/A 59
4、99-2014-E02 Notice of Inactivation for New Design DLA Land and Maritime Drawing 85115 is inactivate for new design and is no longer used, except for replacement purposes. CURRENT DESIGN ACTIVITY CAGE CODE 037Z3 DEFENSE LOGISTICS AGENCY Land and Maritime COLUMBUS, OHIO 43218-3990Provided by IHSNot fo
5、r ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONICS SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 85115 REV E SHEET 2 1. SCOPE 1.1 Scope. This drawing describes the requirements for an electrical contact assembly. 1.2 Part or Identifying
6、Number (PIN). The complete PIN shall be as follows: 85115 -01 Drawing number Dash number 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specific
7、ation 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 of documents in sections 3 and 4 of this specification, whether or not they are listed
8、. 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 of these documents are those cited in the solicitation or contract. F
9、EDERAL SPECIFICATION QQ-B-654 - Brazing Alloys, Silver. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-1285 - Marking of Electrical and Electronic Parts. (Copies of these documents are available online at http:/quicksearch.dla.mil/ or https:/assist.dla.mil/ or from the Standardization Document Order Desk,
10、700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN SOC
11、IETY FOR TESTING AND MATERIALS INTERNATIONAL (ASTM) ASTM B152/B152M - Copper Sheet, Strip, Plate, and Rolled Bar. ASTM B413 - Refined Silver. ASTM B700 - Electrodeposited Coatings of Silver for Engineering Use. ASTM B742 - Fine Silver, Electrical Contact Fabricated Material. (Copies of this document
12、 are available from http:/www.astm.org or from American Society for Testing and Materials International (ASTM), 100 Barr Harbor Drive, P. O. Box C700, West Conshohocken, PA, 19428-2959.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited he
13、rein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONICS SUPPLY
14、CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 85115 REV E SHEET 3 3. REQUIREMENTS 3.1 Materials. 3.1.1 Contact. Contact material shall be silver, 85 percent minimum and 90 percent maximum by weight. Balance is cadmium oxide, contact quality, commercial grade. Silver-cadmium oxide, manufact
15、ured by powdered metal method (press, sinter, work). 3.1.2 Body. Body material shall be copper plate, UNS number C11000, temper H04 (hard), in accordance with ASTM B152/B152M. 3.1.3 Plating. One side of the contact shall be faced or plated with 99.9 percent fine silver in accordance with ASTM B742 o
16、r with 99.9 percent refined silver (ASTM B413) to a thickness of .010 inch (0.25 mm) minimum to .015 (0.38 mm) maximum. The remainder of the contact and the body shall be silver plated in accordance with ASTM B700. Identify side of contact with the silver backing to ensure proper assembly. 3.1.4 Bra
17、zing. Brazing material shall be silver brazing alloy, minimum 50 percent silver content in accordance with QQ-B-654. The side of the contact with 99.9 percent silver face (see 3.1.3) shall be brazed to the body with not less than 90 percent bond to body in accordance with best manufacturing practice
18、s. 3.2 Interface and physical dimensions. See figure 1. 3.3 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and mainte
19、nance requirements, and promotes economically advantageous life cycle costs. 3.4 Manufacturer eligibility. To be eligible for listing as a suggested source of supply, a manufacturer perform the Group A inspection specified herein on a sample of parts agreed upon by the manufacturer and DLA Land and
20、Maritime-VA. 3.5 Certificate of compliance. A certificate of compliance shall be required from manufacturers requesting to be a suggested source of supply. 3.6 Pure tin. The use of pure tin, as an underplate or final finish is prohibited both internally and externally. Tin content of contact assembl
21、y components and solder shall not exceed 97 percent, by mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.3). 3.7 Marking. Marking shall be in accordance with MIL-STD-1285, except the contact assembly shall be marked with the PIN as specified herein (see 1.2), the manufactu
22、rers name or Commercial and Government Entity (CAGE) code, and date lot code. 3.8 Workmanship. Parts shall be free of flash pits, voids, burrs, and excessive weld material, visible parting line is acceptable. Round all corners. Provided by IHSNot for ResaleNo reproduction or networking permitted wit
23、hout license from IHS-,-,-DEFENSE ELECTRONICS SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 85115 REV E SHEET 4 NOTES: 1. Dimensions are in inches. 2. Unless otherwise specified, tolerances are .005 (0.13 mm) for three place decimals and .02 (0.5 mm) for two place decimals and 1 for
24、 angles. 3. Metric equivalents are given for general information only. 4. Dimensions shown after plating. FIGURE 1. Interface and physical dimensions. Letter Inches Millimeters Min Max Min Max A B C D E F G H J K L M N .189 DIA .370 .745 1.085 2.175 .625 .745 .010 .125 .620 .155 .455 .915 .199 DIA .
25、380 .755 1.095 2.185 .635 .755 .015 .135 .630 .165 .465 .925 4.80 DIA 9.40 18.92 27.56 55.25 15.88 18.92 0.25 3.18 15.75 3.94 11.58 23.24 5.05 DIA 9.65 19.18 27.81 55.50 16.13 19.18 0.38 3.43 16.00 4.19 11.81 23.50 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
26、from IHS-,-,-DEFENSE ELECTRONICS SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 85115 REV E SHEET 5 4. VERIFICATION 4.1 Sampling and inspection. Unless otherwise specified, inspection procedures shall be performed in accordance with Table I. The sampling plan shall be as specified in
27、 Table II. 4.2 Conformance inspection. 4.2.1 Inspection of product for delivery. Inspection of product for delivery shall consist of group A inspection. 4.2.1.1 Group A inspection. Group A inspection shall consist of the inspections specified in table I in the order shown. Rejected lots shall not be
28、 shipped. 4.2.2 Criteria for defects. All dimensional characteristics are considered defective when out of tolerance. All physical and functional properties are considered defective when outside the specified minimum or maximum range as applicable. The specified sampling plan for each category is ap
29、plicable to the cumulative defects for that category found in the sample. TABLE I. Group A inspection. Inspection Requirement paragraph Visual and mechanical Material Dimensions Workmanship 3.1 3.2 3.8 Table II. Lot and sample size Lot size Sample size 1 to 544 545-3,072 3,073 and over 80 units 128
30、units 192 units 5. PACKAGING 5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel need to contact the responsible packaging
31、activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Points packaging activities within the Military Service or Defense Agency, or within the military services system commands. Packaging data retrieval is available from the managing Military De
32、partments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. 6. NOTES (This section contains information of a general or explanatory nature which may be helpful, but is not mandatory.) 6.1 Intended use. Devices conforming to this drawi
33、ng are intended for use when military specifications do not exist and qualified military devices that will perform the required function are not available for the OEM application. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONICS SU
34、PPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 85115 REV E SHEET 6 6.2 Replaceability. Devices covered by this drawing will replace the commercial device covered by contractor prepared specification or drawing. 6.3 Ordering data. The contract or purchase order should specify the follow
35、ing: a. Complete PIN (see 1.2). b. Requirements for delivery of one copy of the conformance inspection data or the certificate of compliance that parts have passed conformance inspection with each shipment of parts by the manufacturer. c. Whether the manufacturer performs the group A inspection test
36、s or provides certificate of compliance with group A requirements. d. Requirement for notification of change of product to the acquiring activity, if applicable. e. Requirements for packaging and packing. 6.4 Tin whisker growth. The use of alloys with tin content greater than 97 percent, by mass, ma
37、y exhibit tin whisker growth problems after manufacture. Tin whiskers may occur anytime from a day to years after manufacture and can develop under typical operating conditions, on products that use such materials. Conformal coatings applied over top of a whisker-prone surface will not prevent the f
38、ormation of tin whiskers. Alloys of 3 percent lead, by mass, have shown to inhibit the growth of tin whiskers. For additional information on this matter, refer to ASTM-B545 (Standard Specification for Electrodeposited Coatings of Tin). 6.5 Users of record. Coordination of this document for future re
39、visions is coordinated only with the suggested source(s) of supply and the users of record of this document. Requests to be added as a recorded user of this drawing may be achieved online at mailto: relaydla.mil or if in writing to: DLA Land and Maritime Columbus, ATTN: DLA Land and Maritime -VAT, Post Office Box 3990, Columbus, OH 43218-3990 or by telephone (614) 692-4481 or DSN 850-4481. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
