Model: 640

Extension Helical Spring

Properties:

Inside Diameter
0.294 inches
End Style
Short loop both ends
Spring Free Length
3.500 inches
Design Type
Closed
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
21.000 pounds per inch
Spring Free Outside Diameter
0.438 inches
Hook Radius
0.147 inches both ends
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response
Style Designator
Cylindrical
NSN
5360-00-442-0423
Part Number
640
Description
Spring,helical,extension
CAGE
99832

Part 640 NSN 5360-00-442-0423

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
178020
UFC:
87470
LTL:
70.0
LCL:
--
WCC:
579
TCC:
Z
SHC:
9
ACC:
Construction Materials

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