Model: 20021A

Helical Compression Spring Seat

Properties:

Countersink Angle In Deg
30.0
Counterbore Diameter
Between 0.5130 inches and 0.5180 inches
Overall Height
0.3860 inches
First Step Diameter
Between 1.1550 inches and 1.1650 inches
Bore Diameter
0.3910 inches
Design Type
Solid
Countersink Diameter
Between 0.9330 inches and 0.9380 inches
End Diameter
Between 0.8960 inches and 0.9060 inches
Distance From End To First Step
0.2920 inches
Counterbore Length
0.2820 inches
Features Provided
Casehardened
Material
Steel, aisi b1113 or steel sae 1113
Material
Steel, aisi b1113 or steel sae 1113
Fsc Application Data
Engine, gasoline, nonaircraft
NSN
5340-00-358-3417
Part Number
20021A
Description
Seat,helical Compression Spring
CAGE
1ML14

Part 20021A NSN 5340-00-358-3417

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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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