Model: MS3121F20-39PX

Electrical Plug Connector

Properties:

Thread Class
2a
Thread Direction
Right-hand
Body Style
Straight shape, external coupling
Overall Length
1.465 inches
Overall Diameter
Between 1.542 inches and 1.582 inches
Environmental Protection
Moisture proof and salt water resistant and vibration proof and thermal shock resistant and corrosion resistant
Threaded Device Type
Back shell
Mating End Quantity
1
Contact Position Arrangement Style
20-39 single mating end
Contact Removability
Removable single mating end all contact groupings
Contact Maximum Ac Voltage Rating In Volts
600.0 single mating end all contact groupings
Polarization Method
Keyway or multiple keyway
Insert Position In Deg
144.0
Shell Type
Solid
Connector Locking Method
Bayonet pin
Thread Length
0.290 inches
Thready Qty Per Inch (tpi)
18
Thread Size
1.188 inches
Terminal Location
Back single mating end all contact groupings
Contact Material
Copper alloy single mating end all contact groupings
Contact Surface Treatment
Gold single mating end all contact groupings and nickel single mating end all contact groupings
Contact Surface Treatment Specification
Mil-g-45204, type 2, grade c, class 1 military specification 1st treatment response single mating end all contact groupings and qq-n-290, class 2 federal specification 2nd treatment response single mating end all contact groupings
Terminal Type
Crimp single mating end all contact groupings
Shell Material
Aluminum alloy 6061 or aluminum alloy 380.0 and aluminum alloy a380.0
Shell Surface Treatment
Chromate and cadmium
Shell Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification all treatment responses
Shell Material Specification
Qq-a-367, t6 federal specification 1st material response or qq-a-591 federal specification 2nd material response and qq-a-591 federal specification 3rd material 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 pin single mating end all contact groupings
Precious Material And Location
Contact surfaces gold
Precious Material And Weight
0.047 gold grains, troy
Precious Material
Gold
Test Data Document
81349-mil-c-26482 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unef
Specification Data
96906-ms3471 government standard
NSN
5935-01-259-4934
Part Number
MS3121F20-39PX
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 MS3121F20-39PX NSN 5935-01-259-4934

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

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
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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