Model: 187256

Key Washer

Properties:

Hole Diameter
Between 0.575 inches and 0.581 inches
Outside Diameter
Between 0.719 inches and 0.739 inches
Internal Prebent Key Length
Between 0.084 inches and 0.104 inches
External Prebent Key Width
Between 0.112 inches and 0.118 inches
Internal Prebent Key Width
Between 0.112 inches and 0.118 inches
Overall Distance Including Keys
Between 1.805 inches and 1.825 inches
External Key Quantity
9
Material Thickness
Between 0.032 inches and 0.052 inches
Surface Finish
100.0 microinches all surfaces
Material
Steel
Material Specification
Ams5516 assn standard single material response
Surface Treatment
Oxide film
Style Designator
Key
NSN
5310-00-283-0938
Part Number
187256
Description
Washer,key
CAGE
2A659

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 187256 NSN 5310-00-283-0938

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:
--
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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