Model: 6661521

Helical Compression Spring Seat

Properties:

Counterbore Diameter
0.5015 inches
Overall Height
0.3130 inches
First Step Diameter
0.5430 inches
First Step Diameter
0.5430 inches
First Step Length
0.0950 inches
First Step Length
0.0950 inches
Second Step Diameter
0.7500 inches
Second Step Diameter
0.7500 inches
Bore Diameter
0.3770 inches
Design Type
Solid
End Diameter
0.4900 inches
End Diameter
0.4900 inches
Distance From End To First Step
0.0840 inches
Counterbore Length
0.0850 inches
Material
Steel, corrosion resisting
Material
Stainless steel
Surface Treatment
Passivate
Style Designator
Seat
Surface Treatment
Passivated
Fsc Application Data
Seat, helical compression spring, engine, aircraft
NSN
5340-00-118-3597
Part Number
6661521
Description
Seat,helical Compression Spring
CAGE
09523

Part 6661521 NSN 5340-00-118-3597

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:
NY
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114850
UFC:
58880
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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