Model: WK4-21C1-2

Electrical Plug Connector

Properties:

Thread Class
2b
Thread Direction
Right-hand
Body Style
Straight shape, internal coupling w/strain relief
Body Length
Between 2.047 inches and 2.141 inches
Overall Diameter
Between 1.031 inches and 1.062 inches
Cable Entrance Diameter
Between 0.516 inches and 0.547 inches
Threaded Device Type
Coupling facility
Mating End Quantity
1
Contact Position Arrangement Style
Wk-4 single mating end
Contact Removability
Nonremovable single mating end single contact grouping
Contact Maximum Current Rating In Amps
10.0 single mating end single contact grouping
Polarization Method
Keyway or multiple keyway
Insert Position In Deg
0.0
Shell Type
Solid
Connector Locking Method
Internally threaded coupling nut
Connector Cable Strain Relief Method
Cable clamp
Thready Qty Per Inch (tpi)
6
Thread Size
0.875 inches
Terminal Location
Back single mating end single contact grouping
Contact Material
Copper alloy single mating end single contact grouping
Contact Surface Treatment
Silver single mating end single contact grouping
Insert Material
Plastic polytetrafluoroethylene single mating end
Terminal Type
Solder well single mating end single contact grouping
Shell Material
Aluminum alloy
Shell Surface Treatment
Cadmium
Included Contact Quantity
4 single mating end single contact grouping
Included Contact Type
Round socket single mating end single contact grouping
Precious Material And Location
Contact surface silver
Precious Material And Weight
0.004 silver grains, troy
Precious Material
Silver
Thread Series Designator
Uns
NSN
5935-00-644-7179
Part Number
WK4-21C1-2
Description
Connector,plug,electrical
CAGE
71468

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 WK4-21C1-2 NSN 5935-00-644-7179

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

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: 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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