Model: 8023643

Shouldered And Recessed Washer

Properties:

Hole Diameter
Between 0.168 inches and 0.178 inches
Outside Diameter
Between 0.734 inches and 0.766 inches
Recess Diameter
Between 0.395 inches and 0.405 inches
Shoulder Height
0.156 inches
Material Thickness
Between 0.027 inches and 0.037 inches
Material
Copper alloy 11
Material Specification
Qq-b-613 federal specification single material response
Surface Treatment
Nickel
Surface Treatment Specification
Qq-n-290 cl 1, type 5 federal specification single treatment response
Style Designator
Shouldered and recessed
NSN
5310-00-531-1863
Part Number
8023643
Description
Washer,shouldered And Recessed
CAGE
18876

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 8023643 NSN 5310-00-531-1863

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15935
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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616108000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum

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