Model: 2057-4

Electrical Receptacle Connector

Special Features:

W/4 mtg holes

Properties:

Thread Class
2a
Thread Direction
Right-hand
Overall Length
1.187 inches
Overall Width
1.187 inches
Unthreaded Mounting Hole Diameter
0.120 inches
Distance Between Mounting Facility Centers
0.906 inches
Threaded Device Type
Coupling facility
Mating End Quantity
1
Contact Maximum Current Rating In Amps
22.0 single mating end single contact grouping
Contact Maximum Ac Voltage Rating In Volts
200.0 single mating end single contact grouping
Contact Maximum Dc Voltage Rating In Volts
250.0 single mating end single contact grouping
Connector Locking Method
Internally threaded coupling nut
Thread Size
0.875 inches
Shell Material
Aluminum alloy
Included Contact Quantity
4 single mating end single contact grouping
Included Contact Type
Round socket single mating end single contact grouping
Thread Series Designator
Unef
NSN
5935-00-149-3230
Part Number
2057-4
Description
Connector,receptacle,electrical
CAGE
71468

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 2057-4 NSN 5935-00-149-3230

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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