Model: MIL-C-55181

Electrical Receptacle Connector

Properties:

Thread Class
2a
Thread Direction
Right-hand
Body Style
Straight shape w/solder mount
Overall Length
1.080 inches
Overall Diameter
1.470 inches
Environmental Protection
Watertight
Threaded Device Type
Coupling facility and mounting bushing
Mating End Quantity
1
Contact Position Arrangement Style
4 single mating end
Contact Removability
Nonremovable single mating end single contact grouping
Polarization Method
Key, multiple key groove
Insert Position In Deg
0.0
Shell Type
Solid
Connector Locking Method
Externally threaded shell and screw
Thready Qty Per Inch (tpi)
18
Thread Size
1.250 inches
Terminal Location
Back single mating end single contact grouping
Contact Material
Copper alloy single mating end single contact grouping
Contact Surface Treatment
Gold single mating end single contact grouping and silver single mating end single contact grouping
Insert Material
Plastic diallyl phthalate single mating end
Terminal Type
Turret single mating end single contact grouping
Contact Material Specification
Qq-b-626, @comp 22, 1/2 h federal specification single material response single mating end single contact grouping
Shell Material
Copper alloy
Shell Surface Treatment
Cadmium and chromate
Shell Material Specification
Qq-b-626, comp 22, @1/2 h federal specification single material response
Insert Material Specification
Mil-m-19833, type gdi-30 military specification single material response single mating end
Included Contact Quantity
4 single mating end single contact grouping
Bushing Accommodation Hole Shape
Round w/double flat
Included Contact Type
Round pin single mating end single contact grouping
Precious Material And Location
Contact surfaces gold and contact surfaces silver
Precious Material And Weight
0.020 gold grains, troy and 0.020 silver grains, troy
Precious Material
Gold and silver
Thread Series Designator
Unef and unf and unef
NSN
5935-00-227-8818
Part Number
MIL-C-55181
Description
Connector,receptacle,electrical
CAGE
81349

An electrical fitting with electrical contacts constructed to be affixed to the end of a cable, conduit, coaxial line, cord, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector(s) or printed wiring board. It is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. Excludes lampholder; jack, telephone; jack, tip; insert electrical connector; insert module, electrical connector; connector body (as modified) and socket, plug-in electronic components. See also wiring harness (as modified) and cable assembly (as modified). For items with termination wires of more than four inches in length, see lead assembly, electrical. For items without inserts, see shell, electrical connector.

Part MIL-C-55181 NSN 5935-00-227-8818

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15093
FIIG:
A039B0
Concept No.:
App. Key:
K
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
C
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8538907080
  • SITC: 77282
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537, nesoi

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