Model: 644A129-1

Compression Helical Spring

Properties:

Inside Diameter
3.687 inches
End Style
E4 spring end, squared and ground both ends
End Style
Spring end, squared and ground both ends
Spring Free Length
Between 7.154 inches and 7.596 inches
Coil Quantity
7 1/2
Spring Solid Length
3.450 inches
Coil Helix Direction
Right-hand
Spring Deflection Rate
164.200 pounds per inch
Spring Free Outside Diameter
4.730 inches
Material
Steel uns k08500
Material Specification
Qq-w-470 federal specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, class 1 federal specification single treatment response
Style Designator
Cylindrical
NSN
5360-00-678-2196
Part Number
644A129-1
Description
Spring,helical,compression
CAGE
24446

Part 644A129-1 NSN 5360-00-678-2196

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04226
FIIG:
A02900
Concept No.:
1
App. Key:
AA
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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:
177970
UFC:
87420
LTL:
NO RATING
LCL:
--
WCC:
579
TCC:
Z
SHC:
9
ACC:
Construction Materials

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