DETAIL SPECIFICATION SHEET
CONNECTORS, ELECTRICAL, PLUG, CIRCULAR, THREADED,
STRAIGHT, REMOVABLE CRIMP CONTACTS, SERIES III, METRIC
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 specification and MIL-DTL-38999.
FIGURE 1. Plug, classes F, G, J, K, M, R, S, W and X.
AMSC N/A 1 of 3 FSC 5935
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
METRIC
MIL-DTL-38999/26E
11 June 2001
SUPERSEDING
MIL-C-38999/26D
7 May 1990
MIL-DTL-38999/26E
2
Dimensions
Shell
size
Shell
size
code
B dia
+ .2
- .0
B’
dia
max
H
max
K
max
S
dia
max
Z
max
9 A 18.4 20.6 12 19.0 21.8 31.0
11 B 21.1 23.6 14 21.9 25.0 31.0
13 C 25.4 28.2 16 26.1 29.4 31.0
15 D 28.7 31.3 18 29.3 32.5 31.0
17 E 32.2 34.5 20 32.8 35.7 31.0
19 F 34.9 37.3 22 35.5 38.5 31.0
21 G 38.1 40.5 24 38.7 41.7 31.0
23 H 41.1 43.7 26 41.7 44.9 31.0
25 J 44.3 46.8 28 44.9 48.0 31.0
NOTE: Dimensions are in millimeters.
FIGURE 1. Plug, classes F, G, J, K, M, R, S, W and X - Continued.
MIL-DTL-38999/26E
3
REQUIREMENTS:
Dimensions and configuration: See figure 1. Interface dimensions shall conform to MIL-DTL-38999.
This connector mates with MIL-DTL-38999/20, /21, /22, /23, /24, /25, and /27
For insert arrangements: See MIL-STD-1560.
Connector accessories: See MIL-C-85049.
Part or Identifying Number (PIN) example:
D38999/ 26 W A 35 P N
DOD number prefix
Specification sheet number
Class
Shell size code
Insert arrangement
Contact style
Polarizing positions
N is required for normal position
Class F is not for Navy use and is inactive for Air Force new design use.
NOTE: The term PIN is equivalent to the term (part number, identification number, and type designator)
which was previously used in this specification.
CONCLUDING MATERIAL
Custodians: Preparing activity:
Army – CR DLA - CC
Navy - AS
Air Force – 11 (Project 5935-4301-07)
DLA - CC
Review activities:
Army - AR, MI
Navy - EC, MC, OS
Air Force - 19, 99
