MIL-DTL-55181/4D
INCH-POUND
10 March 2008
SUPERSEDING
MIL-C-55181/4C
23 June 1986
DETAIL SPECIFICATION SHEET
CONNECTOR, RECEPTACLE, ELECTRICAL,
PANEL MOUNT, WATERPROOF, 4 SOCKET CONTACTS, 35 AMP
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 sheet and
MIL-DTL-55181.
CONNECTOR ASSEMBLY
FIGURE 1. Dimensions and configuration.
AMSC N/A FSC 5935
MIL-DTL-55181/4D
2
CONTACT
Inches mm Inches mm Inches mm Inches mm
.005
.010
.015
.016
.026
.028
.034
.044
.046
.069
0.12
0.25
0.38
0.40
0.66
0.71
0.86
1.12
1.17
1.75
.074
.078
.086
.092
.110
.125
.156
.176
.184
1.88
1.98
2.18
2.34
2.79
3.17
3.96
4.47
4.67
.190
.233
.235
.250
.275
.378
.466
.470
.850
4.83
5.92
5.97
6.35
6.99
9.60
11.84
11.94
21.59
1.111
1.115
1.178
1.184
1.250
1.260
1.378
1.437
1.468
28.11
28.32
29.92
30.07
31.75
32.00
35.00
37.41
37.29
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified tolerances are ±.005 inch (0.13 mm) for three place decimals and
±.01 inch (0.3 mm) for two place decimals.
4. Angular tolerances shall be ±30 minutes unless otherwise specified.
FIGURE 1. Dimensions and configuration - Continued.
MIL-DTL-55181/4D
3
Inches mm
Outside diameter ØB
Inches (mm) Inside diameter ØA
Inches (mm) Thickness C
Inches (mm)
1.468 (37.29) 1.255 (31.88) .052 (1.32) - .060 (1.52)
.16
.25
.38
4.06
6.35
9.65
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified tolerances are ±.005 inch (0.13 mm) for three place decimals and
±.01 inch (0.3 mm) for two place decimals.
4. Material: Carbon steel, cadmium plated in accordance with SAE-AMS-2700.
5. The number of teeth shall be at the option of the manufacturer.
FIGURE 2. Grounding washer.
REQUIREMENTS:
Dimensions and configuration: See figures 1 and 2, and table I.
Contacts: 35 ampere current rating, 12 AWG.
Mating connectors: M55181/3-01, M55181/3-02, M55181/3-03, and M55181/3-04.
Part or Identifying Number (PIN): The PIN shall be as specified in table I.
Supersession, cross-reference and mating connectors: See table II.
MIL-DTL-55181/4D
4
TABLE I. PIN.
PIN
M55181/4-01
M55181/4-01W Without grounding washer
With grounding washer
TABLE II. Supersession and cross reference data.
PIN Old type designator 1/ Mating type designator 1/
M55181/4-01
M55181/4-01
M55181/4-01
M55181/4-01
M55181/4-01
MW20F(M)A00
MW20F(M)A00
MW20F(M)A00
MW20F(M)A00
MW20F(M)A00
MW10M(M)A11
MW10M(M)A13
MW10M(M)A17
MW10M(M)A19
MW10M(M)A15
1/ This type designator shall not be referenced for procurement purposes.
Changes from previous issue. The margins of this specification are marked with vertical lines to indicate
where changes from the previous issue were made. This was done as a convenience only and the
Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and
contractors are cautioned to evaluate the requirements of this document based on the entire content
irrespective of the marginal notations and relationship to the last previous issue.
Referenced documents: In addition to MIL-DTL-55181, this document references the following:
SAE-AMS-2700
CONCLUDING MATERIAL
Custodians: Preparing activity:
Army - CR DLA - CC
Navy - EC
Air Force - 11 (Project 5935-2007-124)
DLA - CC
Review activity:
Air Force - 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 http://assist.daps.dla.mil.
