Model: 421-4-25190-001

Spring Tension Washer

Properties:

Hole Diameter
Between 3.2 millimeters and 3.3 millimeters
Outside Diameter
Between 6.1 millimeters and 6.4 millimeters
Overall Height
Between 0.4 millimeters and 0.6 millimeters
Material Thickness
0.1 millimeters
Part Name Assigned By Controlling Agency
Navy special project
Material
Stainless steel
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Spring tension
NSN
5310-01-362-3709
Part Number
421-4-25190-001
Description
Washer,spring Tension
CAGE
99207

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

Part 421-4-25190-001 NSN 5310-01-362-3709

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:
A
ESD:
ESD:
MMAC:
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: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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