MIL-DTL-38999/31E
REQUIREMENTS:
Dimensions and configuration: See figure 1 and table I.
Interface dimensions shall conform to MIL-DTL-38999.
TABLE I. Summary of connector types.
Coupling
Shell length
Shell
Coupling ring
Types
Material
ring length
length type
type
length
type
All
63.5 / 56.5
long
---
1
long
metal
(2.5 / 2.2)
All
63.5 max
2
long
long
---
metal
(2.5)
63.5 max
53.6 / 46.1
All
medium
long
3
(2.1 / 1.8)
composite
(2.5)
46.0 max
All
short
---
short
4
metal
(1.8)
63.5 max
33.3 / 31.0
All
short
long
5
(1.3 / 1.2)
composite
(2.5)
51.56 / 48.26
All
medium
---
medium
6
metal
(2.0 / 1.9)
This connector mates with MIL-DTL-38999/20 and /24.
Connector shall accept SAE-AS85049 self-locking accessories.
For insert arrangements: See MIL-STD-1560.
Lanyard:
a. 1.57 millimeter minimum diameter, seven strands of stainless steel capable of withstanding an
890 Newton pull test after assembly with connector.
b. Coupling design optional. Cable shall be covered with a suitable protective sleeving to preclude
possible chafing or abrading of wires.
c. Class J and M connectors, 2.54 millimeters nominal diameter, KevlarTM (or equivalent
para-aramid synthetic fiber cord) capable of withstanding an 840 Newton pull test after assembly
with connector.
Connector shall disengage from any coupling condition including partially mated.
Connector design shall incorporate a swivel action for the lanyard to prevent twisting of the cable.
Spare contacts: The twin-axial and coaxial contacts are exempted from the spare contact requirements
of MIL-DTL-38999.
The Government may stock, store and issue types 1, 3, 4, 5 and 6 only (see figures 1, 3, 4, 5 and 6).
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