DLA MIL-DTL-28731 20 E-2012 CONNECTOR ELECTRICAL CONTACT FORK TYPE CRIMP REMOVABLE (8 5 AMPERES).pdf

1、AMSC N/A FSC 5935 MIL-DTL-28731/20E 25 May 2012 SUPERSEDING MIL-C-28731/20D 25 May 1984 DETAIL SPECIFICATION SHEET CONNECTOR, ELECTRICAL, CONTACT, FORK TYPE, CRIMP REMOVABLE (8.5 AMPERES) This specification is approved for use by all Departments and Agencies of the Department of Defense. The require

2、ments for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-28731. FIGURE 1. Contact, fork type, crimp removable. INCH - POUNDS Inches .010 .022 .060 .065 .066 .115 .120 .123 .195 .496 .739 .857 mm 0.25 0.56 1.52 1.65 1.68 2.92 3.05 3.12 4.95 12.00 18.77 21

3、77 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28731/20E 2 FIGURE 1. Contact, fork type, crimp removable Continued. Material: Medium alloy steel bonded titanium carbide, Rockwell-C-67-69 Configuration A, test gage. Inches .000050 .000010

4、0 .005 .100 .120 .250 .266 .480 mm 0.00127 0.000254 0.13 2.54 3.05 6.35 6.76 12.19 Manufacturers identification symbol shall be imprinted approximately as shown. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28731/20E 3 NOTES: 1. Dimensions

5、 are in inches. 2. Metric equivalents are given for information only. 3. Tolerance shall be .005 (0.13 mm) unless otherwise specified. All dimensions are for parts after plating. 4. Trim area not to exceed width of contact across retaining lance area “X”. 5. Contact crimp for use with (AWG) wire ran

6、ge No. 26 to No. 18. Wire size No. 16 can be used with the following exception: Insulation crimp must be crimped over conductor member only. No insulating material is permitted in insulator crimp barrel which will hamper insertion of contact into connector cavity. 6. Remove all burrs and sharp edges

7、 .0005 (0.013 mm) maximum. 7. Crimp tool MIL-C-22520/17-01. 8. Insertion and removal tool MIL-I-81969/13-01 and MIL-I-81969/11-01. 9. Patent Notice. Patent No. 3,248,686 owned by Elco corporation. The Government has a royalty-free license under the above patent for the benefit of manufacturers of th

8、e items called for in this specification, either for the government or for use in equipment to be delivered to the government. FIGURE 1. Contact, fork type, crimp removable Continued. REQUIREMENTS: Dimensions and configuration: See figure 1. Contact separation force (see configuration A): Polished s

9、teel gage from unplated contacts: 2 to 10 ounces. Plated gold over nickel contacts: 2 to 16 ounces. Crimp tensile strength: Minimum tensile strength during crimp tensile strength testing shall be 40.0 pounds for AWG 16 wire. Contact mating area: Contacts may be supplied with either overall plating o

10、r localized finish. For localized finish the contact mating area shall be in accordance with MIL-DTL-28731. Identification of contact: Contacts shall be permanently imprinted with manufacturers symbol for purpose of identifying manufacturers product (see figure 1, detail A). Part or Identifying Numb

11、er (PIN): M28731/20-0001 supplied loose for hand crimping installation. M28731/20-0002 supplied on a reel for automatic crimping machine installation. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28731/20E 4 Changes from previous issue. Ma

12、rginal notations are not used in this revision to identify changes with respect to the previous issue, due to the extent of the changes. Referenced documents. This document references MIL-DTL-28731. CONCLUDING MATERIAL Custodians: Preparing activity: Army CR DLA - CC Navy EC Air Force 85 (Project 59

13、35-2012-064) DLA - CC Review activities: Army AR, AT, AV, CR4, MI Navy AS, MC, OS Air Force 19, 99 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-