Model: B21642

Extension Helical Spring

Properties:

Inside Diameter
0.314 inches
Opening Width
0.250 inches both ends
End Style
Raised hook both ends
Spring Free Length
4.000 inches
Coil Quantity
50
Design Type
Closed
Coil Helix Direction
Right-hand or left-hand
Spring Free Outside Diameter
0.438 inches
Hook Radius
0.157 inches both ends
Coil To Hook Inside Length
0.438 inches both ends
Material
Steel uns k15047 or steel uns k15590
Material Specification
Qq-w-412 federal specification all material responses
Style Designator
Cylindrical
NSN
5360-00-343-7798
Part Number
B21642
Description
Spring,helical,extension
CAGE
3X894

Part B21642 NSN 5360-00-343-7798

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177940
UFC:
87400
LTL:
RATING VARIABLE
LCL:
--
WCC:
579
TCC:
Z
SHC:
9
ACC:
Construction Materials

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