Model: 1881-271

Key Washer

Properties:

Hole Diameter
Between 1.531 inches and 1.533 inches
Outside Diameter
2.000 inches
External Straight Key Width
Between 0.360 inches and 0.370 inches
Overall Distance Including Keys
Between 2.470 inches and 2.480 inches
External Key Quantity
2
Material Thickness
Between 0.115 inches and 0.125 inches
Surface Finish
125.0 microinches all surfaces
Color
White
Material
Steel comp 302
Material Specification
Mil-s-5059 military specification single material response
Surface Treatment
Primer and enamel
Surface Treatment Specification
Mil-p-23377 military specification single treatment response and mil-c-83286 military specification single treatment response
Style Designator
Key
NSN
5310-01-187-7972
Part Number
1881-271
Description
Washer,key
CAGE
13002

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 1881-271 NSN 5310-01-187-7972

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:
A
ESD:
ESD:
MMAC:
LE
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
097510
UFC:
55220
LTL:
65.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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