Model: A363-20-54

Shouldered Washer

Properties:

Hole Diameter
Between 0.154 inches and 0.174 inches
Shoulder Diameter
Between 0.219 inches and 0.239 inches
Outside Diameter
Between 0.302 inches and 0.322 inches
Shoulder Height
Between 0.040 inches and 0.055 inches
Material Thickness
Between 0.029 inches and 0.049 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Cellulose
Material Specification
Mil-f-1148 military specification single material response
Style Designator
Shouldered
NSN
5310-00-143-6206
Part Number
A363-20-54
Description
Washer,shouldered
CAGE
86928

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 A363-20-54 NSN 5310-00-143-6206

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:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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