Model: 5020B1-001

Shouldered Washer

Properties:

Hole Diameter
Between 0.255 inches and 0.280 inches
Shoulder Diameter
Between 0.715 inches and 0.725 inches
Outside Diameter
Between 1.109 inches and 1.141 inches
Shoulder Height
Between 0.141 inches and 0.172 inches
Material Thickness
Between 0.0309 inches and 0.0349 inches
Material
Stainless steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
Style Designator
Shouldered
NSN
5310-00-721-7819
Part Number
5020B1-001
Description
Washer,shouldered
CAGE
38597

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 5020B1-001 NSN 5310-00-721-7819

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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