Model: 637905

Extension Helical Spring

Properties:

Opening Width
1.172 inches both ends and 1.219 inches both ends
End Style
Raised hook both ends
Spring Free Length
5.994 inches
Coil Quantity
31-1/2
Design Type
Closed
Load Rating
Between 36.000 pounds and 44.000 pounds
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
59.600 pounds per inch
Spring Free Outside Diameter
Between 0.458 inches and 0.787 inches
Spring Length Under Load
6.188 inches
Material Specification
Qq-w-470 federal specification 1st material response or astm a227-41 assn standard 2nd material response
Style Designator
Cylindrical
NSN
5360-00-664-7691
Part Number
637905
Description
Spring,helical,extension
CAGE
34623

Part 637905 NSN 5360-00-664-7691

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177970
UFC:
87420
LTL:
NO RATING
LCL:
--
WCC:
579
TCC:
Z
SHC:
9
ACC:
Construction Materials

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