Model: R643

Extension Helical Spring

Properties:

End Style
Full loop both ends
Distance Between Ends
2.625 inches
Spring Free Length
6.250 inches
Design Type
Closed
Load Rating
53.00 pounds
Coil Helix Direction
Right-hand or left-hand
Spring Free Outside Diameter
0.625 inches
Hook Radius
0.104 inches both ends
Material
Steel
Style Designator
Double cylindrical
NSN
5360-00-353-2151
Part Number
R643
Description
Spring,helical,extension
CAGE
51501

Part R643 NSN 5360-00-353-2151

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

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