1、METRIC MIL-DTL-38999/21C 10 July 2008 SUPERSEDING MIL-DTL-38999/21B 11 June 2001 DETAIL SPECIFICATION SHEET CONNECTORS, ELECTRICAL, CIRCULAR, THREADED, RECEPTACLE, BOX MOUNTING FLANGE, HERMETIC, HERMETIC SOLDER CONTACTS, SERIES III, METRIC 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-38999. FIGURE 1. Receptacle, classes N and Y . AMSC N/A FSC 5935 Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
3、ense from IHS-,-,-MIL-DTL-38999/21C 2 Connector dimensions Shell size Shell size code P .20 PP .20 R1 (see note 3) R2 (see note 4) S .3 V max 9 A 3.25 (.128) 5.49 (.216) 18.26 (.719) 15.09 (.594) 23.8 (.937) 21.4 (.843) 11 B 3.25 (.128) 4.93 (.194) 20.62 (.812) 18.26 (.719) 26.2 (1.031) 21.4 (.843)
4、13 C 3.25 (.128) 4.93 (.194) 23.01 (.906) 20.62 (.812) 28.6 (1.126) 21.4 (.843) 15 D 3.25 (.128) 4.39 (.173) 24.61 (.969) 23.01 (.906) 31.0 (1.220) 21.4 (.843) 17 E 3.25 (.128) 4.93 (.194) 26.97 (1.062) 24.61 (.969) 33.3 (1.311) 21.4 (.843) 19 F 3.25 (.128) 4.93 (.194) 29.36 (1.156) 26.97 (1.062) 36
5、.5 (1.437) 21.4 (.843) 21 G 3.25 (.128) 4.93 (.194) 31.75 (1.250) 29.36 (1.156) 39.7 (1.563) 21.4 (.843) 23 H 3.91 (.154) 6.15 (.242) 34.93 (1.375) 31.75 (1.250) 42.9 (1.689) 21.4 (.843) 25 J 3.91 (.154) 6.15 (.242) 38.10 (1.500) 34.93 (1.375) 46.0 (1.811) 21.4 (.843) NOTES: 1. Dimensions are in mil
6、limeters. 2. Polarizing position N is shown. 3. Front or rear panel mounting. 4. Front panel mounting only. 5. Inch equivalents are given for information only. FIGURE 1. Receptacle, classes N and Y - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
7、 IHS-,-,-MIL-DTL-38999/21C 3 REQUIREMENTS: Dimensions and configurations: See figure 1. Interface dimensions shall conform to MIL-DTL-38999. This connector mates with MIL-DTL-38999/26. Insert arrangements: See MIL-STD-1560. Part or identifying Number (PIN) example: D38999/ 21 Y A 35 P NDoD no. prefi
8、x Specification sheet no. Class Shell size code Insert arrangement Contact style Polarizing position N is required for normal position Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-38999/21C 4 Changes from previous issue. Marginal notations
9、 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-STD-38999, this document references the following: MIL-DTL-38999/26 MIL-STD-1560 CONCLUDING MATERIAL Custodians: Preparing activity: Army C
10、R DLA - CC Navy - AS Air Force - 85 (Project 5935-2008-019) DLA - CC Review activities: Army - AR, MI Navy - EC, MC, OS Air Force - 19, 99 DLA - IS NOTE: The activities listed above were interested in this document as of this document. Since organization and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
