Model: 721177-1

Extension Helical Spring

Properties:

Inside Diameter
0.125 inches
Opening Width
0.031 inches both ends
End Style
Raised hook both ends
Spring Free Length
0.437 inches
Design Type
Closed
Load Rating
Between 0.230 pounds and 0.270 pounds
Coil Helix Direction
Right-hand or left-hand
Spring Free Outside Diameter
0.171 inches
Hook Radius
0.062 inches both ends
Spring Length Under Load
0.187 inches
Material
Steel
Material Specification
Mil-w-6101 military specification single material response
Surface Treatment
Cadmium
Style Designator
Cylindrical
NSN
5360-00-664-2174
Part Number
721177-1
Description
Spring,helical,extension
CAGE
55972

Part 721177-1 NSN 5360-00-664-2174

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04227
FIIG:
A02900
Concept No.:
App. Key:
AB
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177970
UFC:
87420
LTL:
NO RATING
LCL:
RATING VARIABLE
WCC:
579
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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