Model: 7A029057

Shouldered And Recessed Washer

Properties:

Hole Diameter
Between 0.3406 inches and 0.3606 inches
Shoulder Diameter
Between 0.7713 inches and 0.7913 inches
Outside Diameter
Between 1.240 inches and 1.260 inches
Recess Diameter
Between 0.7313 inches and 0.7513 inches
Shoulder Height
Between 0.1731 inches and 0.1931 inches
Recess Depth
Between 0.1731 inches and 0.1931 inches
Material Thickness
0.020 inches
Heat Treatment
As fabricated
Material
Steel
Surface Treatment
Cadmium
Style Designator
Shouldered and recessed
NSN
5310-00-371-3128
Part Number
7A029057
Description
Washer,shouldered And Recessed
CAGE
23382

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 7A029057 NSN 5310-00-371-3128

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:
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: 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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