Model: 1989410-1

Key Washer

Special Features:

Internal key located 180 degrees opposite external key

Properties:

Hole Diameter
0.475 inches
Outside Diameter
Between 0.709 inches and 0.729 inches
External Prebent Key Length
Between 0.052 inches and 0.072 inches
External Prebent Key Width
Between 0.099 inches and 0.119 inches
Internal Straight Key Width
Between 0.052 inches and 0.072 inches
Distance From Centerline To Top Of Internal Key
Between 0.206 inches and 0.216 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.354 inches and 0.364 inches
Overall Distance Including Keys
Between 0.730 inches and 0.770 inches
Material Thickness
0.031 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 301 or steel comp 302
Material
Steel comp 301 or steel comp 302
Material Specification
Mil-s-5059 annealed military specification all material responses
Style Designator
Key
NSN
5310-00-484-2539
Part Number
1989410-1
Description
Washer,key
CAGE
55972

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 1989410-1 NSN 5310-00-484-2539

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

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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