DLA MS27661 REV F-2011 CONNECTORS PLUG ELECTRICAL CRIMP TYPE LANYARD RELEASE FAIL-SAFE SERIES I.pdf

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1、 MS27661F 29 August 2011 SUPERSEDING MS27661E 12 July 2002 DETAIL SPECIFICATION SHEET CONNECTORS, PLUG, ELECTRICAL, CRIMP TYPE, LANYARD RELEASE, FAIL-SAFE, SERIES I This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the

2、 product described herein shall consist of this specification sheet and MIL-DTL-38999. Inches mm Inches mm Inches mm .002 0.05 .019 0.48 .500 12.70 .003 0.08 .024 0.61 .5625 14.29 .007 0.18 .204 5.18 .575 14.61 .012 0.30 .250 6.35 .594 15.09 .014 0.36 .483 12.27 6.25 158.75 FIGURE 1. Plug, classes E

3、 and T. AMSC N/A FSC 5935 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27661F 2 Shell size A max B max C max D min V Thread UNEF-2A 11 1.437 1.843 .745 .5625-24 13 1.562 1.969 .931 .6875-24 15 1.672 2.078 1.056 .8125-20 17 1.812 2.203

4、 1.703 1.181 .9375-20 19 1.938 2.328 1.306 1.0625-18 21 2.062 2.469 1.431 1.1875-18 23 2.188 2.594 1.556 1.3125-18 25 2.297 2.703 1.766 1.681 1.4375-18 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. A point at which a gage pin, having the same basic diam

5、eter as the mating contact and a square face, touches the contact spring. 4. Operating voltages are listed in table I for guidance. 5. Increase values by 50% for arrangements having contacts size 22, 22M and 22D. FIGURE 1. Plug, classes E and T - Continued. TABLE I. Operating voltage. Service rating

6、 Operating voltage (sea level) AC (rms) DC M 400 550 I 600 850 II 900 1250 REQUIREMENTS: Dimensions and configuration: See figure 1. Interface dimensions shall conform to MIL-DTL-38999. Mating connectors: MS27466, MS27468, MS27469, MS27470, MS27471, MS27496, MS27505, MS27515, MS27652, MS27654, MS276

7、56 and MS27662. Insert arrangements: See MIL-STD-1560. Finish: Finish shall be in accordance with MIL-DTL-38999. Class E is inactive for new design. Lanyard: Coupling design optional. a. .062 diameter, 7 strands of stainless steel capable of withstanding 200 pounds pull test after assembly with conn

8、ector. b. Cable shall be covered with a suitable protective sleeving to preclude possible chafing of wires. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27661F 3 Durability and separation: The number of cycles of normal mating and unmating shall

9、 be 200. This shall be followed by 50 cycles of normal mating and straight pull. Following this, the connector shall be subjected to the below separation test. The pull rate shall be 5-inches/second max and each pull test shall be performed within 3 minutes of removal from the temperature chamber. C

10、onnector to be in chamber for 1 hour minimum. Separation values shall be within those listed in table II. TABLE II. Separation forces. Shell size Straight pull (lbs) max (see figure 1, note 5) 15 degree pull (lbs) max (see figure 1, note 5) Separation forces (lbs) max after cold soak Separation forc

11、es (lbs) min 11 15 20 150 5.5 13 20 25 150 5.5 15 25 30 150 12.0 17 30 35 250 12.0 19 35 45 250 12.0 21 45 55 250 12.0 23 55 65 250 12.0 25 65 75 250 12.0 SEPARATION TEST Pull Type Step 1 Step 2 Step 3 Straight, 0 Pull Room ambient -65 C maximum temperature of connector 15 Pull Room ambient -65 C ma

12、ximum temperature of connector Vibration (qualification only): Wired mated connectors shall meet the vibration requirements of MIL-DTL-38999 when subjected to the random vibration test specified in method 214 of MIL-STD-202. The following details and exceptions shall apply: a. Receptacles shall be m

13、ounted on the vibration fixture by normal means. The wire bundle shall be clamped to nonvibrating points at least 8 inches from the rear of the connector. b. Test condition II, letter E shall be used. c. All contacts shall be wired in a series circuit and 100 to 150 milliamperes of current allowed t

14、o flow through the circuit during the test. d. Duration of the test shall be 8 hours in the longitudinal axis and 8 hours in the perpendicular axis. e. An extender adapter, Bendix Part or Identifying Number (PIN) 10-494596-xx (xx-applicable shell size) or equivalent, shall be used with SAE-AS85049/4

15、9-2 strain relief. Only the SAE-AS85049/49-2 strain relief needs to be used on the mating receptacle. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27661F 4 Shock (qualification only): Wired, mated connectors shall meet the shock requirements of

16、MIL-DTL-38999 with the following exception: The pulse shall be approximately half sine wave of 150 G 15% magnitude with a duration of 3 1 milliseconds. Connector shall disengage from any coupling condition including partially mated. Connector design shall incorporate a swivel action for the lanyard

17、to prevent twisting of the cable. Maximum separation force lanyard not operational: The maximum straight pull force required to separate mated plug and receptacle connectors when lanyard is broken or not hooked up is 950 pounds. PIN example: MS27661 T 17 B 35 P A MS number Class Shell size Finish In

18、sert arrangement Contact style Polarizing positions (no letter is required for normal) 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-3

19、8999, this document references the following: MIL-STD-202 MIL-STD-1560 MS27466 MS27468 MS27469 MS27470 MS27471 MS27496 MS27505 MS27515 MS27652 MS27654 MS27656 MS27662 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27661F 5 CONCLUDING MATERIAL Cust

20、odians: Preparing activity: Army - CR DLA - CC Navy - AS Air Force 85 (Project 5935-2011-083) DLA - CC Review activities: Army - AR, MI Navy - EC, 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-,-,-