1、AMSC N/A FSC 5935 MIL-DTL-28731/33D 25 May 2012 SUPERSEDING MIL-C-28731/33C 21 July 1988 DETAIL SPECIFICATION SHEET CONNECTORS, ELECTRICAL, INSERT (INSULATOR), MALE RECTANGULAR, POLARIZED, CENTER SCREW LOCK, FOR 165 REMOVABLE TYPE CONTACTS This specification is approved for use by all Departments an
2、d Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-28731. FIGURE 1. Connector, male rectangular. INCH - POUNDS Provided by IHSNot for ResaleNo reproduction or networking permitted without license
3、from IHS-,-,-MIL-DTL-28731/33D 2 FIGURE 1. Connector, male rectangular Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28731/33D 3 Inches .005 .016 .018 .03 .040 .050 .052 .055 .060 .08 .080 .082 .100 .125 .140 mm 0.13 0.41 0.46 0.
4、8 1.02 1.27 1.32 1.40 1.52 2.0 2.03 2.08 2.54 3.18 3.56 Inches .155 .185 .187 .190 .195 .240 .250 .382 .400 .425 .430 .532 .625 .694 .700 mm 3.94 4.70 4.75 4.83 4.95 6.10 6.35 9.70 10.16 10.80 10.92 13.51 15.88 17.63 17.78 Inches .765 .940 1.000 1.098 1.234 1.37 1.800 1.990 2.093 2.282 2.718 2.770 2
5、.950 3.372 mm 19.43 23.88 25.4 27.89 31.34 34.8 45.72 50.55 53.16 57.96 69.04 70.36 74.93 85.65 FIGURE 1. Connector, male rectangular Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28731/33D 4 POLARIZING POSITION CHANGE Keying pos
6、ition on both polarizing sockets can be rotated to desired position by loosening spanner nut (counter- clockwise), resetting socket in one of six positions then retightening spanner nut (clockwise). NOTE: Overtightening of spanner nut can fracture connector. Spanner keying wrench shown below. FIGURE
7、 1. Connector, male, rectangular Continued. POLARIZING KEY MATING CODE R (FEMALE) Position 4 5 6 1 2 3 P (MALE) Position 1 2 3 4 5 6 Configuration B Connector polarization guide (layout) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28731/3
8、3D 5 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Tolerances between any two contact centers shall be .004 (0.10 mm). 4. Flatness, squareness, and parallelism shall be within dimensional tolerances. 5. Contact hole details shall be in accordance with c
9、onfiguration B. 6. Mating connector information: M28731/33-0001 mate with M28731/34-0003 and M28731/34-0005. M28731/33-0002 mate with M28731/34-0004 and M28731/34-0006. M28731/33-0003 and M28731/33-0005 mate with M28731/34-0001. M28731/33-0004 and M28731/33-0006 mate with M28731/34-0002. 7. Polariza
10、tion information: Polarization pins are provided for indexing to preclude intermixing of adjacent connectors. By using a standard type spanner wrench, polarization pins can be rotated to desired position. For parts supplied directly to the government, polarization will be in the 1-1 position. For ot
11、her polarization positions, see connector polarization guide configuration A (see marking, note 13d). For direct government acquisition a tool is supplied in the unit package for polarization socket adjustment. 8. Contact and terminal designations: Contacts and terminals shall be designed on the ins
12、ulator using letters in the location shown on figure 1. 9. Tolerance shall be .010 (0.25 mm) unless otherwise specified. 10. Patent notice: Patent No. 3,675,185 owned by Elco Corporation. The government has a royalty-free license under the above patent for the benefit of manufacturers of items calle
13、d for in this specification, either for the government or for use in equipment to be delivered to the government. 11. For direct government acquisition crimp contacts M28731/35-0001 (see table I) are furnished in a plastic bag in each unit package (see marking, note 13a). 12. For direct government a
14、cquisition wrappost contacts M28731/36-0001 (see table I) and are factory installed in connector body (see marking, note 13a). 13. Marking: a. Connectors supplied directly to the government shall be marked with the Part or Identifying Number (PIN) (see table I). Example: M28731/33-0001. b. Connector
15、s supplied with contacts to government end users shall be marked with the PIN (see table I). Example: M28731/33-0001. c. Connectors supplied without contacts to government end users shall be marked as follows: Example: M28731/33E (screw type or socket type from table I). The user shall complete the
16、remaining portion of the military PIN as shown in table I based upon contact type he assembles. Example: M28731/33E-0004. d. Polarization position marking is not required unless otherwise specified. When required, polarization marking shall be in accordance with the connector polarization guide (see
17、 configuration A). The marking shall appear following the PIN. 14. Applicable contact insertion and removal tools: Insertion - MIL-I-81969/5-01 Removal - MIL-I-81969/4-02 15. Rectangular shields: Shall conform to MIL-DTL-28731/19, PIN M28731/19-0007 through M28731/19-0012, M28731/19-0019, and M28731
18、/19-0020 for type A and B hardware. 16. Recommended hardware (not furnish) for panel mounting: (Four) .112-40-UNC-2A (length to suit) bolts with No. 4 washer and mating nut. FIGURE 1. Connector, male rectangular Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without
19、license from IHS-,-,-MIL-DTL-28731/33D 6 REQUIREMENTS: Dimensions and configuration: See figure 1. Mating and unmating forces (torque): 160 inch-ounces, maximum. Dielectric withstanding voltage: 1,000 volts rms (sea level). Mechanical shock (specified pulse): Applicable. Contact retention: 6 pounds.
20、 Contact separation force: 1 ounce, minimum. Contact current rating: 5 amperes, 22 AWG wire. PIN: See table I. TABLE I. PIN information. Military PIN Actuating hardware Polarizing socket position Contact type Left side Right side M28731/33-0001 M28731/33-0002 M28731/33-0003 M28731/33-0004 M28731/33-
21、0005 M28731/33-0006 Jackscrew type G Jack socket type D Fixed socket type F Fixed screw type E Fixed socket type F Fixed screw type E 4 4 4 4 4 4 4 4 4 4 4 4 Crimp, MIL-DTL-28731/35 Crimp, MIL-DTL-28731/35 Crimp, MIL-DTL-28731/35 Crimp, MIL-DTL-28731/35 Wrappost, MIL-DTL-28731/36 Wrappost, MIL-DTL-2
22、8731/36 Changes from previous issue. Marginal 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. In addition to MIL-DTL-28731, this document references the following: MIL-DTL-28731/19 MIL DTL-28731/3
23、5 MIL-DTL-28731/36 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28731/33D 7 CONCLUDING MATERIAL Custodians: Preparing activity: Army CR DLA - CC Navy EC Air Force 85 (Project 5935-2012-069) DLA - CC Review activities: Army AR, AT, AV, CR4,
24、 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-,-,-
