Model: MS3121E20-39S

Electrical Plug Connector

Properties:

Body Style
Straight shape, external coupling w/backshell
Overall Length
1.709 inches
Overall Diameter
1.360 inches
Environmental Protection
Moisture resistant and vibration resistant and salt water resistant
Mating End Quantity
1
Contact Position Arrangement Style
20-39 single mating end
Contact Removability
Removable single mating end all contact groupings
Contact Maximum Current Rating In Amps
10.0 single mating end 2nd contact grouping
Contact Maximum Current Rating In Amps
22.0 single mating end 1st contact grouping
Contact Maximum Ac Voltage Rating In Volts
500.0 single mating end all contact groupings
Contact Maximum Dc Voltage Rating In Volts
700.0 single mating end all contact groupings
Polarization Method
Keyway or multiple keyway
Insert Position In Deg
0.0
Shell Type
Solid
Connector Locking Method
Bayonet pin
Terminal Location
Back single mating end all contact groupings
Contact Surface Treatment
Gold single mating end all contact groupings and copper single mating end all contact groupings
Terminal Type
Crimp single mating end all contact groupings
Shell Material
Aluminum alloy
Shell Surface Treatment
Cadmium
Shell Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Included Contact Quantity
2 single mating end 1st contact grouping
Included Contact Quantity
37 single mating end 2nd contact grouping
Included Contact Type
Round socket single mating end all contact groupings
Precious Material And Location
Contact surface gold
Precious Material
Gold
NSN
5935-01-005-4745
Part Number
MS3121E20-39S
Description
Connector,plug,electrical
CAGE
96906

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 MS3121E20-39S NSN 5935-01-005-4745

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:
G
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: 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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