Model: 395-643-0001

Spring Tension Washer

Properties:

Hole Diameter
Between 0.406 inches and 0.416 inches
Outside Diameter
Between 0.610 inches and 0.620 inches
Overall Height
0.055 inches
Material Thickness
Between 0.011 inches and 0.013 inches
Hardness Rating
Between 37.0 rockwell c and 44.0 rockwell c
Material
Copper alloy 172
Material Specification
Qq-c-533 federal specification single material response
Style Designator
Spring tension
NSN
5310-00-246-6353
Part Number
395-643-0001
Description
Washer,spring Tension
CAGE

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

Part 395-643-0001 NSN 5310-00-246-6353

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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
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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