Model: 548538

Helical Compression Spring Seat

Special Features:

Not casehardened; one hole 0.062 in. Diameter through 2nd counterbore

Properties:

Counterbore Diameter
Between 0.1340 inches and 0.1440 inches
Overall Height
0.3100 inches
First Step Diameter
Between 0.4310 inches and 0.4350 inches
First Step Length
Between 0.2550 inches and 0.2650 inches
Bore Diameter
Between 0.0600 inches and 0.0650 inches
Material Hardness Rating
Between 26.0 rockwell c and 33.0 rockwell c
Design Type
Solid
End Diameter
Between 0.2450 inches and 0.2500 inches
Distance From End To First Step
Between 0.0400 inches and 0.0450 inches
Counterbore Length
0.1400 inches
Second Counterbore Length
0.1330 inches
Second Counterbore Diameter
Between 0.2070 inches and 0.2130 inches
Criticality Code Justification
Supp
Material
Steel, ams 6415
Material
Steel comp 4340
Material Specification
Ams 6415 assn standard single material response
Style Designator
Seat
Supplementary Features
Deep look project
NSN
5340-00-717-8325
Part Number
548538
Description
Seat,helical Compression Spring
CAGE
73030

Part 548538 NSN 5340-00-717-8325

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:
A
ESD:
ESD:
MMAC:
PP
CRITL:
Y

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
60.0
WCC:
713
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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