Model: 20-19

Key Washer

Properties:

Hole Diameter
Between 1.584 inches and 1.604 inches
Outside Diameter
Between 2.552 inches and 2.572 inches
Internal Straight Key Width
Between 0.218 inches and 0.238 inches
Distance From Centerline To Top Of Internal Key
0.672 inches
Internal Key Quantity
1
Material Thickness
Between 0.031 inches and 0.039 inches
Material
Steel comp 1020
Style Designator
Key
NSN
5310-00-424-5505
Part Number
20-19
Description
Washer,key
CAGE
35301

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 20-19 NSN 5310-00-424-5505

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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