Model: 643425

Helical Compression Spring Seat

Special Features:

Not casehardened

Properties:

Counterbore Diameter
Between 0.5930 inches and 0.5980 inches
Overall Height
0.4380 inches
First Step Diameter
Between 0.7800 inches and 0.7900 inches
First Step Length
0.2190 inches
Second Step Diameter
1.0310 inches
Bore Diameter
Between 0.3760 inches and 0.3780 inches
Design Type
Solid
End Diameter
0.5630 inches
Distance From End To First Step
0.1250 inches
Counterbore Length
0.1880 inches
Material
Steel, sae 1112
Material
Steel comp 1212
Material Specification
Sae 1112 assn standard single material response
Style Designator
Seat
Fsc Application Data
Engine, gasoline, non-aircraft
NSN
5340-00-362-8400
Part Number
643425
Description
Seat,helical Compression Spring
CAGE

Part 643425 NSN 5340-00-362-8400

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
24328
FIIG:
T319-E
Concept No.:
App. Key:
EA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
85.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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