1、 DETAIL SPECIFICATION SHEET CONNECTOR, ELECTRICAL, CIRCULAR, COVER, PROTECTIVE, PLUG, MIL-DTL-38999 SERIES IV This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specifi
2、cation sheet and MIL-DTL-38999. STYLE R (ROPE ONLY) FIGURE 1. Protective cover, plug, all classes. AMSC N/A FSC 5935 METRIC MIL-DTL-38999/51B 14 June 2013 SUPERSEDING MIL-DTL-38999/51A 1 October 2010 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI
3、L-DTL-38999/51B 2 FIGURE 1. Protective cover, plug, all classes - Continued. mm Inches mm Inches 0.20 .008 16.13 .635 0.74 .029 20.55 .809 0.84 .033 27.84 1.096 0.89 .035 127 5.000 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-38999/51B 3 D
4、imensions Shell size A max dia B max dia C dia D dia E dia F H J min U max 11 35.05 (1.380) 20.14 (.793) 12.929 (.509) 12.776 (.503) 14.986 (.590) 14.884 (.586) 16.26 (.640) 16.15 (.636) 17.145 (.675) 16.993 (.669) 7.010 (.276) 10.74 (.423) 1.651 (.065) 13 39.88 (1.570) 23.34 (.919) 16.10 (.634) 15.
5、95 (.628) 18.313 (.721) 18.212 (.717) 19.33 (.761) 19.23 (.757) 13.64 (.537) 15 42.17 (1.660) 26.52 (1.044) 19.28 (.759) 19.13 (.753) 21.463 (.845) 21.361 (.841) 22.48 (.885) 22.38 (.881) 16.81 (.662) 2.159 (.085) 17 49.47 (1.790) 29.72 (1.170) 22.48 (.885) 22.33 (.879) 24.638 (.970) 24.536 (.966) 2
6、5.65 (1.010) 25.55 (1.006) 19.99 (.787) 19 48.77 (1.920) 32.87 (1.294) 25.63 (1.009) 25.48 (1.003) 27.81 (1.095) 27.76 (1.093) 27.66 (1.089) 27.56 (1.085) 16.891 (.665) 16.739 (.659) 6.756 (.266) 22.25 (.876) 2.667 (.105) 21 52.33 (2.060) 36.04 (1.419) 28.80 (1.134) 28.65 (1.128) 30.99 (1.220) 30.48
7、 (1.200) 30.84 (1.214) 30.73 (1.210) 25.43 (1.001) 23 57.15 (2.250) 39.22 (1.544) 31.98 (1.259) 31.83 (1.253) 34.29 (1.350) 33.78 (1.330) 34.11 (1.343) 34.01 (1.339) 28.60 (1.126) 3.175 (.125) 25 60.45 (2.380) 42.39 (1.669) 35.15 (1.384) 35.00 (1.378) 37.34 (1.470) 36.83 (1.450) 37.34 (1.470) 37.24
8、1.466) 31.78 (1.251) NOTES: 1. Dimensions are in millimeters. Inch equivalents are given for information only. 2. Method of attachment to cover and or ring is optional. FIGURE 1. Protective cover, plug, all classes Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted with
9、out license from IHS-,-,-MIL-DTL-38999/51B 4 STYLE N (ROPE AND RING) Dimensions Shell size K max dia L min dia M N 11 27.0 (1.063) 18.0 (.709) 20.50 (.807) 18.00 (.709) 127.00 (5.00) 13 30.0 (1.181) 20.0 (.788) 27.00 (1.06) 20.00 (.788) 127.00 (5.00) 15 31.0 (1.220) 23.0 (.907) 22.50 (0.886) 18.00 (
10、709) 127.00 (5.00) 17 37.0 (1.457) 26.0 (1.025) 30.50 ( 1.201 ) 23.50 (.925) 127.00 (5.00) FIGURE 2. Protective cover, plug, rope and ring assembly, all classes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-38999/51B 5 Dimensions Shell si
11、ze K max dia L min dia M N 19 40.0 (1.575) 29.0 (1.141) 31.50 (1.240) 25.00 (.984) 127.00 (5.00) 21 44.0 (1.732) 32.0 (1.260) 33.00 (1.30) 26.50 (1.043) 127.00 (5.00) 23 46.0 (1.811) 34.0 (1.339) 34.000 (1.339) 27.50 (1.083) 127.00 (5.00) 25 49.0 (1.929) 39.0 (1.538) 38.00 ( 1.496 ) 30.00 (1.181) 12
12、7.00 (5.00) NOTES: 1. Dimensions are in millimeters. Inch equivalents are given for information only. 2. Method of attachment to cover and or ring is optional. FIGURE 2. Protective cover, plug, rope and ring assembly, all classes Continued. REQUIREMENTS: Dimensions and configurations: See figures 1
13、and 2. Materials: Cover - Classes C, F, G, R, W and X: Impact extruded or machined aluminum alloy. Classes P, T and Z: Impact extruded or machined aluminum alloy. Classes H, K, N, S and Y: Corrosion resistant steel. Classes J and M: High performance resin in accordance with MIL-DTL-38999. Class F: I
14、mpact extruded or machined aluminum alloy. (Base materials only. For finishes or surface treatments for each class, see MIL-DTL-38999.) Gasket - Silicone elastomer. Ring - Corrosion resistant steel, passivated, 1.020 mm (0.040 inches) maximum thickness. Provided by IHSNot for ResaleNo reproduction o
15、r networking permitted without license from IHS-,-,-MIL-DTL-38999/51B 6 Rope - Insulated stainless steel, passivated. Insulation shall withstand 200C environment. Fastener - Stainless steel, passivated. Option: Aluminum integral to cover. Mating connectors: MIL-DTL-38999, series IV plugs. Gasket sha
16、ll be bonded to cover, or mechanically retained. Rope shall rotate freely on fastener. Fastener tensile strength: The protective cover and rope assembly shall withstand a dead weight tensile load of 25 pounds applied to both axial and longitudinal directions. The load shall be applied at the end of
17、the rope assembly and held for 5 minutes. There shall be no separation of the rope assembly from the protective cover or damage to the rope assembly. Both axial and longitudinal directions shall be 25 pounds. The load shall be applied to the end of the rope. Air Leakage: Testing shall be in accordan
18、ce with EIA-364-02, except the minimum period of measurement shall be 10 seconds. The air leakage rate shall be no greater than 1 atmospheric cubic inch per hour (4.55 X 10-3 cm3/s) Protective covers shall be mated to connectors having either contacts or inserts removed so that a pressure of 10 lbft
19、/in2 (.703 Kg/cm2 ) can be applied against the insides of the protective covers or stowage receptacles. Qualification (all classes): Qualification shall be in accordance with MIL-DTL-38999 except only the following tests shall be required: Examination of product Coupling torque Humidity Salt spray (
20、corrosion) Fastener tensile strength (see requirement) Air Leakage Qualification (classes J and M only): Qualification shall be in accordance with MIL-DTL-38999, except that in addition to the test sequence specified for all classes above, the following tests shall be required: Temperature cycling H
21、ydrolytic stability Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-38999/51B 7 Group A sampling inspection. Sampling for group A inspection shall be as specified in table I. TABLE I. Group A sampling plan. Lot size Sampling size 1 to 13 100
22、percent 14 to 150 13 units 151 to 280 20 units 281 to 500 29 units 501 to 1,200 34 units 1,201 to 3,200 42 units 3,201 and up 54 units Part or Identifying Number (PIN) example: Change effectivity. Unless otherwise specified by the preparing activity and/or the qualifying activity, all changes from t
23、he previous revision of this specification sheet shall become effective within 90 days of the date of publication of the latest revision. If unable to implement changes within the 90 day time period, the manufacturer or value added distributor shall notify the qualifying activity. The qualifying act
24、ivity shall determine if an extension may be granted. Disposition of stock. Unless otherwise specified by the qualifying activity and coordinated with the preparing activity, qualified manufacturers and their selling agents or distributors may continue to ship protective covers which were manufactur
25、ed in accordance with the previous revision of this specification sheet for a period of 18 months from the date of the latest revision, provided that form, fit and function are not affected. D38999/51 W 15 R Specification sheet number Class (see requirements) Shell size Style R - Rope N - With rope
26、and ring Class F is not for Navy use and is inactive for Air Force new design. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-38999/51B 8 Changes from previous issue. Marginal notations are not used in this revision to identify changes with
27、respect to the previous issue, due to the extent of the changes. Referenced documents. In addition to MIL-DTL-38999, this document references the following: EIA-364-02 CONCLUDING MATERIAL Custodians: Preparing activity: Army - CR DLA - CC Navy - AS Air Force - 85 (Project 5935-2012-018) DLA - CC Rev
28、iew activities: Army - 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.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
