Model: 1028721

Key Washer

Properties:

Hole Diameter
Between 0.510 inches and 0.511 inches
Outside Diameter
Between 1.088 inches and 1.098 inches
External Prebent Key Length
0.084 inches
External Prebent Key Width
Between 0.075 inches and 0.085 inches
Internal Straight Key Width
Between 0.075 inches and 0.085 inches
Distance From Centerline To Top Of Internal Key
0.161 inches
Distance From Centerline To Inside Of Prebent Key
0.679 inches
Overall Distance Including Keys
Between 1.235 inches and 1.265 inches
External Key Quantity
1
Internal Key Quantity
1
Material Thickness
0.025 inches
Material
Steel comp 302
Material Specification
Mil-s-5059 military specification single material response
Surface Treatment
Passivate
Style Designator
Key
NSN
5310-00-286-9650
Part Number
1028721
Description
Washer,key
CAGE
34895

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part 1028721 NSN 5310-00-286-9650

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01869
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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