Model: 4C137B4

Compression Helical Spring

Properties:

Inside Diameter
Between 0.355 inches and 0.380 inches
End Style
E4 spring end, squared and ground both ends
Spring Free Length
0.312 inches
Spring Solid Length
0.062 inches
Coil Helix Direction
Right-hand or left-hand
Spring Free Outside Diameter
Between 0.550 inches and 0.575 inches
Material
Steel comp 302
Material Specification
Qq-w-423 federal specification single material response
Style Designator
Tapered
NSN
5360-01-021-4166
Part Number
4C137B4
Description
Spring,helical,compression
CAGE

Part 4C137B4 NSN 5360-01-021-4166

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04226
FIIG:
A02900
Concept No.:
1
App. Key:
AA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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