Model: 20-41259-3

Shouldered Washer

Properties:

Hole Diameter
Between 1.001 inches and 1.006 inches
Shoulder Diameter
1.109 inches
Outside Diameter
1.188 inches
Shoulder Height
0.078 inches
Material Thickness
Between 0.078 inches and 0.088 inches
Min. Tensile Strength (psi)
150000 pounds per square inch
Material
Steel
Material Specification
Ams6380 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, class 3 federal specification single treatment response
Style Designator
Shouldered
NSN
5310-00-317-0933
Part Number
20-41259-3
Description
Washer,shouldered
CAGE
76301

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 20-41259-3 NSN 5310-00-317-0933

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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