Model: W235A012-31

Shouldered Washer

Properties:

Hole Diameter
Between 0.380 inches and 0.390 inches
Shoulder Diameter
Between 0.427 inches and 0.437 inches
Outside Diameter
Between 0.620 inches and 0.640 inches
Overall Height
Between 0.057 inches and 0.067 inches
Shoulder Height
Between 0.026 inches and 0.036 inches
Material
Plastic polyamide
Material Specification
L-p-410 federal specification single material response
Style Designator
Shouldered
NSN
5310-01-399-4584
Part Number
W235A012-31
Description
Washer,shouldered
CAGE
78711

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part W235A012-31 NSN 5310-01-399-4584

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15934
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:
BA
CRITL:
X

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Schedule B and Export
  • Schedule B: 3926904500
  • SITC: 89399
  • End Use: Other industrial supplies
  • NAICS: 339991
  • USDA: 1

Freight Class: Gaskets,washers & other seals

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