Model: 234840

Shouldered Washer

Properties:

Hole Diameter
Between 0.190 inches and 0.195 inches
Shoulder Diameter
Between 0.295 inches and 0.309 inches
Outside Diameter
Between 0.540 inches and 0.560 inches
Shoulder Height
Between 0.055 inches and 0.059 inches
Material Thickness
0.053 inches
Hardness Rating
Between 25.0 rockwell c and 33.0 rockwell c
Material
Aluminum alloy
Material Specification
Qq-a-354 federal specification single material response
Surface Treatment
Passivate
Style Designator
Shouldered
NSN
5310-00-209-5984
Part Number
234840
Description
Washer,shouldered
CAGE
77445

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 234840 NSN 5310-00-209-5984

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:
SX
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: 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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