Model: 524989

Key Washer

Special Features:

Inside diameter has flat surface with round top edges, 0.020 in. Min, 0.040 in. Max high parallel to outside edge of key; 0.275 in. Min, 0.285 in. Max flat to center distance

Properties:

Hole Diameter
Between 0.695 inches and 0.705 inches
Outside Diameter
1.080 inches
External Tapered Key Width
Between 0.540 inches and 0.560 inches
Tapered Key Major Width
Between 0.270 inches and 0.280 inches
Overall Distance Including Keys
1.400 inches
External Key Quantity
4
Material Thickness
Between 0.058 inches and 0.059 inches
Angle Between External Keys
Between 78.0 degrees and 82.0 degrees
External Prebent Key Angle
Between 10.0 degrees and 20.0 degrees
Surface Finish
63.0 microinches bottom
Surface Finish
63.0 microinches top
Material
Steel comp 305
Material Specification
Ams 5514 assn standard single material response
NSN
5310-00-943-2477
Part Number
524989
Description
Washer,key
CAGE
77445

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 524989 NSN 5310-00-943-2477

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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