D38999/49 Defense Supply Center, D38999/49 Datasheet - Page 11

• Manufacturer Part Number: D38999/49
• Description: D38999K / D38999J 500 Cycle Contact
• Manufacturer: Defense Supply Center

connectors is encouraged. See 6.9.2 for guidance.
normal handling incident to installation and maintenance in service. Connector intermateability control
dimensions shall be as specified on figures 1 through 7. Connector accessory interface dimensions shall
be as specified on figures 8, 9, and 10. All accessories designed to be used in accordance with MIL-DTL-
38999 connectors must conform to MIL-C-85049. Recommended panel cutout dimensions are shown on
figure 11. Dimensioning and tolerancing shall be in accordance with ANSI Y14.5M.
contacts (see 1.3.1e and 6.2).
nonremovable and solderable or feedthrough. Dimensions for solder type contacts shall be as shown on
figure 12.
resisting classes of connectors. Crimp contacts shall be qualified to the specification sheets of MIL-C-
39029 (see 6.5). The quantity of crimp contacts to be supplied with each connector unit package shall
consist of a full complement of contacts plus 1 spare contact for each size used in the arrangement utilizing
26 contacts or less. For arrangements utilizing more than 26 contacts, 2 spare contacts of each size used
in the arrangement shall be supplied. Spare Coax and Twinax contacts are not required.
Except for hermetic assemblies, the engaging end of the pin contact in assembled connectors shall be
located within .024 inch (0.61 mm) diameter of true position and the engaging end of socket contacts in
assembled connectors shall be located within .015 inch (0.38 mm) diameter of true position. For hermetic
connectors engaging end of pin and socket contacts shall be located within .004 inch
(0.10 mm) diameter of true position. Test voltages for service ratings shall be in accordance with table I.
assemble and disassemble the pin and socket contacts into their connector inserts. One MIL-I-81969/14
tool for each contact size shall be enclosed in the unit package. For indirect shipments, connectors may be
ordered without installing and removal tools (see 6.2).
connectors, dust caps must be assembled externally over the coupling ring. Hermetic connectors require
caps on both ends. In lieu of dust caps on both ends, hermetic receptacles may be packaged in rigid or
semi-rigid containers designed to prevent damage to the termination end of the connector.
3.4.1 Contacts. Contacts shall be fixed or crimp removable, as specified.
3.4.1.1 Indirect shipment of contacts. Environment resisting connectors may be ordered without
3.3.7 Hazardous Materials. The use of environmentally preferable materials in the construction of these
3.4 Configuration interface and features. Connectors and accessories shall be configured to withstand
3.4.1.2 Fixed contacts. Contacts in hermetically sealed or thru-bulkhead receptacles shall be
3.4.1.3 Crimp removable contacts. Crimp removable contacts may be used with all environment
3.4.1.4 Contact arrangement. Contact arrangement shall be in accordance with MIL-STD-1560.
3.4.1.5 Installing and removal tools. Both the MIL-I-81969/8 and the MIL-I-81969/14 tools shall properly
3.4.1.6 Dust caps/containers. Dust caps shall be placed on the mating end of each connector. For RFI
100,000 feet
50,000 feet
70,000 feet
Sea level
Altitude
Service rating M
Mated
1300
800
800
800
Unmated
1300
550
350
200
TABLE I. Test voltages, ac rms, 60 Hz.
Service rating N
Mated
1000
600
600
600
MIL-DTL-38999K
Unmated
11
1000
400
260
200
Mated
Service rating I
1800
1000
1000
1000
Unmated
1800
600
400
200
Mated
Service rating II
2300
1000
1000
1000
Unmated
2300
800
500
200