1、REVISIONS LTR DESCRIPTION DATE APPROVED A Change CAGE 037Z3. Update specifications and standards. Change sampling from AQL to C=0. Editorial changes throughout. 3 October 2002 R. Heber B Updates in accordance with 5 year review. 28 March 2011 Abdo Abdouni Prepared in accordance with ASME Y14.100. RE
2、V PAGE REV STATUS OF PAGES REV B B B B B B B B B B B B B B B PAGE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PMIC N/A PREPARED BY DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO 43218-3990 Gail Willis Original date of drawing 22 September 1986 CHECKED BY TITLE Carl Dello-Stritto CONNECTORS, RECEPTACLE, ELEC
3、TRICAL, LATCH HOUSINGS, CRIMP TO WIRE CONTACTS, GENERAL DRAWING FOR APPROVED BY Richard Marbais SIZE CAGE CODE DWG. NO. 86037 A 037Z3 REV B PAGE 1 OF 15 AMSC N/A 5935-E831-001 Selected item drawing CURRENT DESIGN ACTIVITY CAGE CODE 037Z3 HAS CHANGED NAMES TO: DLA LAND AND MARITIME COLUMBUS, OHIO 432
4、18-3990 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86037 REV B PAGE 2 1. SCOPE 1.1 Scope. This drawing covers the requirements for polarizing plugs, low power
5、 single and multicontact electrical latch housings, and crimp to wire contacts for terminating 18 to 36 AWG discrete wires to .025 inch (0.64 mm) square or round pin headers. 1.2 Part or Identifying Number (PIN). The PIN shall be as specified on the item requirements drawings. 2. APPLICABLE DOCUMENT
6、S. 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure
7、the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specificati
8、ons, 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. DEPARTMENT OF DEFENSE STANDARD MIL-STD-202 - Test Methods for Electronic and Electrical Component Part
9、s. (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Documents Order Desk, 700 Robbins Avenue, Bldg. 4D (Customer Service), Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this d
10、ocument to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). ASTM INTERNATIONAL ASTM B36/B36M - Brass Plate, Sheet, Strip, and Rolled Bar. ASTM B122/B122M - Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc All
11、oy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip and Rolled Bar. ASTM B194 - Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar. ASTM B488 - Standard Specification for Electrodeposited Coatings of Gold for Engineering Uses. ASTM B579 - Electro-deposited Coatings of Tin-Lead-Al
12、loy. ASTM D4066 - Materials, Nylon Injection and Extrusion (PA). (Copies of these documents are available online at http:/www.astm.org or from the ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) Provided by IHSNot for ResaleNo reproduction or networking p
13、ermitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86037 REV B PAGE 3 ELECTRONIC COMPONENTS ASSOCIATION (ECA) EIA-364-08 - Crimp Tensile Strength Test Procedure Requirements for Electrical Connectors. EIA-364-17 - Temperature
14、Life with or without Electrical Load Test Procedure for Electrical Connectors and Sockets EIA-364-20 - Withstanding Voltage Test Procedure for Electrical Connectors, Sockets and Coaxial Contacts EIA-364-21 - Insulation Resistance Test Procedure for Electrical Connectors, Sockets, and Coaxial Contact
15、s EIA-364-24 - Maintenance Aging Test Procedure for Electrical Connectors EIA-364-25 - Probe Damage Test Procedure for Electrical Connectors EIA-364-26 - Salt Spray Test Procedure for Electrical Connectors, Contacts and Sockets EIA-364-27 - Mechanical Shock (Specified Pulse) Test Procedure for Elect
16、rical Connectors EIA-364-28 - Vibration Test Procedure for Electrical Connectors and Sockets EIA-364-31 - Humidity Test Procedure for Electrical Connectors and Sockets (Copies of these documents are available online at http:/ec-central.org or from the Electronic Components Association, Engineering D
17、epartment, 2500 Wilson Boulevard, Arlington, VA 22201.) NCSL INTERNATIONAL NCSL Z540.3 - Requirements for the Calibration of Measuring and Test Equipment. (Copies of these documents are available online at http:/www.ncsli.org or from NCSL International 2995 Wilderness Place, Suite 107 Boulder, Color
18、ado 80301-5404.) SAE INTERNATIONAL SAE AMS-P-81728 - Plating, Tin-Lead (Electrodeposited). SAE AMS-QQ-N-290 - Nickel Plating (Electrodeposited). (Copies of these documents are available online at http:/www.sae.org or from the SAE World Headquarters, 400 Commonwealth Drive, Warrendale, PA 15096-0001.
19、) UNDERWRITERS LABORATORIES INC. (UL) UL-94 - UL Standard for Safety Test for Flammability of Plastic Materials for Parts in Devices and Appliances (Copies of these documents are available online at http:/ or from the Underwriters Laboratories Inc., Publication Stock, 333 Pfingsten Road. Northbrook,
20、 IL 60062-2096.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86037 REV B PAGE 4 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in t
21、he event of a conflict between the text of this document and the references cited herein (except for related specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.
22、 3. REQUIRMENTS 3.1 DSCC requirements drawing. The individual item requirements shall be in accordance with the applicable item requirements drawing and herein. In the case of conflict between this drawing and the individual requirements drawing, the latter shall govern. 3.1.1 Design and constructio
23、n and physical dimension. The design, construction, and physical dimensions shall be as specified in the applicable item requirements drawing and herein. 3.2 Material. The material for each part shall be as specified herein, or in the specific requirements drawing. 3.3 Contact. 3.3.1 Body. The conta
24、ct body shall be quarter-hard brass alloy UNS C26000 in accordance with ASTM B36/B36M or quarter hard CuNi alloy UNS 72500 in accordance with ASTM B122/B122M. 3.3.2 Spring. The contact spring shall be half-hard, beryllium copper alloy UNS C17200 in accordance with ASTM B194, heat-treated to full har
25、d condition. 3.3.3 Housing. The housing shall be unfilled, modified polyphenylene oxide or glass filled nylon in accordance with ASTM D4066 and shall be molded from a resin having a flame retardant rating of V-0 or better, in accordance with UL-94. 3.3.4 Polarizing plug. The plug shall be unfilled n
26、ylon in accordance with ASTM D4066 and shall be molded from a resin having a flame retardant rating of V-0 or better, in accordance with UL-94. 3.4 Finish. 3.4.1 Contact body. The contact body shall be plated with 39 microinches (0.76 m) gold minimum, in accordance with ASTM-B488, code C, type 2, cl
27、ass 0.76 in the contact area (preplating is permissible), over 50 microinches (1.27 m) nickel in accordance with SAE AMS-QQ-N-290, class 2. The remainder shall be plated with gold flash. Note: When contacts have been provided in strip form, the absence of plating in the area where the contact was re
28、moved from the strip is acceptable provided it is in a nonfunctional area and any corrosion formed as a result of salt spray testing does not creep into contact mating areas. 3.4.2 Contact spring. The contact spring shall be plated with a gold flash in accordance with ASTM B488, code C, type 2, clas
29、s 0.25 (10 microinches) minimum. 3.5 Design and construction. The connector shall be a multi-piece assembly having a one- or two row housing and insertable contacts crimped to discrete stranded wires size 22 through 36 AWG. The female (disconnect) end of the contact shall be available with different
30、 thicknesses of retention spring providing contact normal forces shown under mechanical characteristics. The assembled connector shall interface with .025 inch (6.35 mm) round or square pins on .100 inch (2.54 mm) centers, as appropriate. All contacts crimped to discrete stranded wire sizes 18 throu
31、gh 36 AWG can be used as discrete units on .025 inch (6.35 mm) round or square pins. 3.5.1 Mating. The connector shall be capable of mating and unmating by hand without the use of special tools. 3.5.2 Workmanship. Connectors shall be uniform in quality and shall be free from burrs, scratches, cracks
32、, voids, chips, blisters, pin holes, sharp edges, and other defects that will adversely affect life or serviceability. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 03
33、7Z3 86037 REV B PAGE 5 3.5.3 Connector assembly. No parts of the connector assembly shall be permanently displaced from their original, normal fitted position at completion of the specified test. 3.5.4 Interchangeability. The connector shall be capable of mating with an appropriately constituted mal
34、e connector of the same population without degradation in performance. 3.5.5 Polarization/keying. Polarization/keying of the connector shall be available through the use of individual polarizing plugs inserted into selected contact positions. Positions used to accomplish polarization/keying shall no
35、t be functional. 3.6 Electrical characteristics. 3.6.1 Current rating. The maximum current rating of the connector is dependent on wire size and housing confinement. Current rating Single row Wire gauge maximum (AWG) 2.8 3.0 4.2 5.5 8.2 9.0 36 32 28 22/24 20 18 Current rating Double row Wire gauge m
36、aximum (AWG) .8 1.3 1.8 2.8 3.3 36 32 28 24 22 3.6.2 Low level resistance. Change in low level resistance of a contact in a mated connector shall not exceed 2 milliohms. Contact resistance shall be measured in accordance with test procedure EIA-364-24, and the following details shall apply: a. Metho
37、d of connection: Attach current and voltage leads as shown on figure 1. b. Test voltage: 20 millivolts dc maximum-open circuit. c. Test current: Not to exceed 100 milliamps. 3.6.3 Low level crimp resistance. When properly crimped, the change in crimp resistance shall not exceed 1 milliohm for wire s
38、izes 18-30 AWG. The change in crimp resistance for 32-36 AWG shall not exceed 2 milliohms. Crimp resistance shall be measured in accordance with test procedure EIA-364-24, and the following details shall apply: a. Method of connection: Attach current and voltage leads as shown on figure 1. b. Test v
39、oltage: 20 millivolts dc maximum-open circuit. c. Test current: Not to exceed 100 milliamps. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86037 REV B PAGE 6 VOL
40、TAGE PROBE (PROBE TO BE WITHIN .070 (1.78 mm) OF BOARD) (DIMENSION X TO BE FAR ENOUGH AWAY FROM CRIMP AS NOT TO DISTURB CRIMP) VOLTAGE PROBE Crimp resistance. FIGURE 1. Dimensions and configurations. 3.6.4 Insulation resistance. The insulation resistance of unmated connectors shall be not less than
41、10,000 megohms initial (5,000 megohms after exposure to the humidity environment described in 3.8.1) when measured in accordance with test procedure EIA-364-21, and the following details shall apply: a. Test voltage: 500 V dc. b. Points of measurement: Between adjacent and opposing contact positions
42、. 3.6.5 Dielectric withstanding voltage. There shall be no evidence of arc-over, insulation breakdown, or excessive leakage current (1 milliampere) when the unmated connector is tested in accordance with test procedure EIA-364-20, condition I, and the following details shall apply: a. Test potential
43、: 1000 V rms, 60 hertz. b. Test duration: 60 seconds. c. Test condition: I (760 torr - sea level). d. Points of measure: Between adjacent and opposing contact positions. 3.6.6 Capacitance. The capacitance between adjacent or opposing contacts in an unmated connector shall not exceed 0.5 picofarads w
44、hen measured in accordance with MIL-STD-202, method 305, at a frequency of 100 kilohertz. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86037 REV B PAGE 7 3.7 Me
45、chanical characteristics. 3.7.1 Contact retention. Individual contacts shall withstand an axial load of 6.5 pound (3 kg) applied to the terminating wire without dislodgement from their housing cavities. 3.7.2 Normal force. The minimum normal forces of the contact shall be as shown in table I. Minimu
46、m normal force shall be measured by deflecting the spring a distance equal to the difference between the contact gap and a .024-inch (0.61 mm) gauge pin (see figure 2). TABLE I. Contact normal force. Spring thickness (mils) Force (grams, minimum) 3.5 4.8 6.5 150 375 700 FIGURE 2. Normal force. 3.7.3
47、 Total mating force. The total force to mate the connectors with an appropriately populated header (see figure 3) .025 inch (0.64 mm) square pins shall be approximately the values shown in table II, for the appropriate spring thickness, times the number of contacts. TABLE II. Mating forces. Spring t
48、hickness (mils) Typical per contact force (grams) 3.5 4.8 6.5 150 375 725 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86037 REV B PAGE 8 NOTES: 1. Dimensions a
49、re in inches. 2. Metric equivalents are given for information only. 3. Measure at datum - D- with part in restrained (flat condition). 4. Length to insure contact with socket terminal interface. 5. Plating: Equivalent to terminal. FIGURE 3. Mating header. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
