Model: ASME B18.21.2M-1994

Lock Washer

Properties:

Hole Diameter
Between 4.1 millimeters and 4.3 millimeters
Outside Diameter
Between 8.5 millimeters and 9.0 millimeters
Material Thickness
Between 0.4 millimeters and 0.6 millimeters
End Application
Engine, diesel
Part Name Assigned By Controlling Agency
External tooth lock washer
Material
Stainless steel
Style Designator
Split helical-right hand
NSN
5310-01-646-3417
Part Number
ASME B18.21.2M-1994
Description
Washer,lock
CAGE
80204

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part ASME B18.21.2M-1994 NSN 5310-01-646-3417

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14218
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:
A
ESD:
A
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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