Model: 540-8631-002

Spring Tension Washer

Properties:

Hole Diameter
Between 0.293 inches and 0.298 inches
Outside Diameter
Between 0.391 inches and 0.422 inches
Overall Height
Between 0.036 inches and 0.056 inches
Material Thickness
0.013 inches
Material
Copper alloy
Material Specification
Qq-c-533 federal specification single material response
Surface Treatment
Chromium
NSN
5310-00-833-8260
Part Number
540-8631-002
Description
Washer,spring Tension
CAGE
13499

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

Part 540-8631-002 NSN 5310-00-833-8260

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15938
FIIG:
A022B0
Concept No.:
1
App. Key:
A
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:
N
PMIC:
U
ESD:
ESD:
MMAC:
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:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper washers including spring washers not threaded

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