Model: 204-040-253-1

Key Washer

Special Features:

External keys bent 25 deg

Properties:

Hole Diameter
Between 4.255 inches and 4.265 inches
Outside Diameter
4.610 inches
Internal Prebent Key Length
0.170 inches
External Prebent Key Width
0.200 inches
Internal Prebent Key Width
0.180 inches
Distance From Centerline To Inside Of Prebent Key
Between 2.065 inches and 2.085 inches
Overall Distance Including Keys
5.000 inches
External Key Quantity
19
Internal Key Quantity
2
Material Thickness
0.050 inches
External Prebent Key Angle
Between 24.5 degrees and 25.5 degrees
Material
Steel or steel comp 4130
Material
Steel or steel comp 4130
Material Specification
Ams6357 assn standard single material response or mil-s-18729 military specification single material response
Surface Treatment
Oxide film
Surface Treatment Specification
Bpsfw4084, fscm 97499 mfr ref single treatment response
Style Designator
External and internal pre-bent keys
NSN
5310-00-710-9429
Part Number
204-040-253-1
Description
Washer,key
CAGE
97499

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 204-040-253-1 NSN 5310-00-710-9429

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:
GA
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:
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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