Model: 42540A

Helical Compression Spring Seat

Properties:

Counterbore Diameter
Between 0.3700 inches and 0.3800 inches
Overall Height
0.3500 inches
First Step Diameter
Between 0.7400 inches and 0.7600 inches
Design Type
Solid
Distance From End To First Step
0.2800 inches
Counterbore Length
0.1350 inches
Material
Steel, ams 5643
Material
Steel comp 630
Material Specification
Ams 5643 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Seat
Surface Treatment
Passivated, qq-p-35
NSN
5340-01-058-4890
Part Number
42540A
Description
Seat,helical Compression Spring
CAGE
73760

Part 42540A NSN 5340-01-058-4890

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

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:
576
TCC:
Z
SHC:
Z
ACC:
Construction Materials

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