Model: 521771-1

Electrical Plug Connector

Properties:

Thread Class
2a and 2b
Thread Direction
Right-hand
Body Style
Straight shape, internal coupling w/backshell
Overall Length
2.062 inches
Overall Diameter
1.344 inches
Threaded Device Type
Back shell and coupling facility
Mating End Quantity
1
Contact Position Arrangement Style
18-1 single mating end
Contact Removability
Nonremovable single mating end 1st contact grouping
Contact Removability
Nonremovable single mating end 2nd contact grouping
Contact Maximum Current Rating In Amps
22.0 single mating end all contact groupings
Contact Maximum Ac Voltage Rating In Volts
200.0 single mating end 2nd contact grouping
Contact Maximum Ac Voltage Rating In Volts
500.0 single mating end 1st contact grouping
Contact Maximum Dc Voltage Rating In Volts
250.0 single mating end 2nd contact grouping
Contact Maximum Dc Voltage Rating In Volts
700.0 single mating end 1st contact grouping
Polarization Method
Keyway or multiple keyway
Insert Position In Deg
0.0
Shell Type
Solid or split
Connector Locking Method
Internally threaded coupling ring
Connector Cable Strain Relief Method
Conduit nut
Thread Size
1.200 inches and 1.125 inches
Terminal Location
Back single mating end all contact groupings
Terminal Type
Solder well single mating end all contact groupings
Shell Material
Aluminum alloy
Included Contact Quantity
4 single mating end 2nd contact grouping
Included Contact Quantity
6 single mating end 1st contact grouping
Included Contact Type
Round pin single mating end all contact groupings
Thread Series Designator
Unef
NSN
5935-00-274-7313
Part Number
521771-1
Description
Connector,plug,electrical
CAGE
23667

An electrical fitting with electrical contacts, constructed to be affixed to the end of a cable, conduit, coaxial line, cord or wiring for convenience in joining with other electrical connector(s) or printed wiring board and is not designed to be mounted on a bulkhead, chasses, panel, printed wiring board, or the like. Excludes jack, telephone; jack, tip; plug, telephone; plug tip; insert, electrical connector; connector body (as modified); and socket, plug-in, electronic components. see also lead assembly, electrical; wiring harness (as modified); and cable assembly (as modified). for items without inserts, see shell, electrical connector.

Part 521771-1 NSN 5935-00-274-7313

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01938
FIIG:
A039B0
Concept No.:
App. Key:
G
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
5
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536695050
  • SITC: 77258
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Electrical plugs & sockets, for a voltage not exceeding 1,000 v, nesoi

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