Model: X21-546-012

Electrical Connector Backshell

Properties:

Thread Class
2b
Thread Direction
Right-hand
Overall Width
1.750 inches
Body Angle In Deg
90.0
Cable Opening Diameter
Between 0.625 inches and 0.779 inches
Distance From Centerline To Cable End
3.076 inches
Cable Opening Quantity
1
Size Designation
18 and 27
Mounting Facility Type And Quantity
1 threaded coupling
Thready Qty Per Inch (tpi)
18
Thread Size
1.438 inches
Material
Aluminum alloy
Surface Treatment
Cadmium and chromate
Style Designator
Angle type w/clamp
Surface Treatment
Cadmium and chromate
Test Data Document
81349-mil-c-85049 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
81349-mil-c-85049/9 government specification
NSN
5935-01-204-2871
Part Number
X21-546-012
Description
Backshell,electrical Connector
CAGE
S3715

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 X21-546-012 NSN 5935-01-204-2871

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:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
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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