Model: 31-2221

Connector Adapter

Properties:

Thread Class
2a and 2b
Thread Direction
Right-hand and right-hand
Body Style
Straight shape, internal coupling
Overall Length
Between 1.555 inches and 1.565 inches
Overall Diameter
Between 0.746 inches and 0.749 inches
Threaded Device Type
Coupling facility
Mating End Quantity
2
Contact Position Arrangement Style
Ln all mating ends
Contact Removability
Nonremovable all mating ends single contact grouping
Shell Type
Solid
Connector Locking Method
Externally threaded shell and internally threaded coupling ring
Radio Frequency Type Contact Characteristic Impedance In Ohms
50.0 all mating ends single contact grouping
Thread Length
0.187 inches
Thread Size
0.750 inches and 0.750 inches
Contact Material
Copper alloy all mating ends single contact grouping
Contact Surface Treatment
Silver all mating ends single contact grouping
Insert Material
Plastic tetrafluoroethylene all mating ends
Shell Material
Copper alloy
Shell Surface Treatment
Silver
Included Contact Quantity
1 all mating ends single contact grouping
Included Contact Type
Coaxial socket all mating ends single contact grouping
Precious Material And Location
Contact and shell surfaces silver
Precious Material And Weight
0.110 silver grains, troy
Precious Material
Silver
Thread Series Designator
Unef and unef
NSN
5935-00-199-1790
Part Number
31-2221
Description
Adapter,connector
CAGE
74868

An adapter with electrical contacts which provides facilities for joining two or more electrical connectors, whose design or function will not normally warrant their junction. it is not designed for permanent attachment to a cable, cord, coaxial line, or wire. the physical shape of an electrical connector should not be the determining factor of its name. tee, angle, straight, and y-shaped adapters are all adapter, connector. excludes adapter, connector to lampbase; adapter, lampholder to connector; adapter (1), cable clamp to connector; and adapter, lampholder. for items designed as a mechanical connection between an electrical conduit and an electrical connector, see adapter (1), electrical conduit.

Part 31-2221 NSN 5935-00-199-1790

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15091
FIIG:
A039B0
Concept No.:
2
App. Key:
A
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:
EH
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: 8548900100
  • SITC: 77813
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Electrical parts of machinery or apparatus not specified or included elsewhere in chapter 85

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