Model: 2121-18121-1203

Electrical Connector Backshell

Properties:

Thread Class
2b
Thread Direction
Right-hand
Overall Length
5.531 inches
Overall Height
1.468 inches
Overall Width
Between 1.438 inches and 1.500 inches
Cable Opening Diameter
Between 0.438 inches and 0.750 inches
Thread Length
0.175 inches and 0.190 inches
Cable Opening Quantity
1
Size Designation
18
Mounting Facility Type And Quantity
1 threaded coupling
Thread Size
1.062 inches
Material
Aluminum alloy
Surface Treatment
Cadmium
Style Designator
Straight type w/cable clamp
Surface Treatment
Cadmium
Thread Series Designator
Unef
NSN
5935-00-478-4210
Part Number
2121-18121-1203
Description
Backshell,electrical Connector
CAGE
31461

An item specifically designed to be placed around that portion of a connector, receptable, electrical or connector, plug, electrical which contains the facilities for attaching wires or cables. it may be designed to provide the necessary accomodations between an electrical cable clamping device and an electrical connector shell, or it may include the clamping device. it may be used for shielding against electrical interference, mechanical injury, or physical damage due to environmental conditions.

Part 2121-18121-1203 NSN 5935-00-478-4210

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
67169
FIIG:
A10100
Concept No.:
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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:
062020
UFC:
34580
LTL:
55.0
LCL:
--
WCC:
72D
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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