Model: 637412

Key Washer

Properties:

Hole Diameter
Between 0.192 inches and 0.196 inches
Outside Diameter
Between 0.350 inches and 0.360 inches
External Prebent Key Length
Between 0.085 inches and 0.100 inches
External Prebent Key Width
0.094 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.208 inches and 0.213 inches
Overall Distance Including Keys
Between 0.520 inches and 0.525 inches
Split Key Length
Between 0.101 inches and 0.111 inches
External Key Quantity
3
Material Thickness
Between 0.028 inches and 0.034 inches
Angle Between External Keys
36.0 degrees
External Prebent Key Angle
30.0 degrees
Material
Steel comp 1010
Material Specification
Sae assn standard single material response
Surface Treatment
Zinc or dichromate
Style Designator
Key
NSN
5310-00-753-9581
Part Number
637412
Description
Washer,key
CAGE
78640

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 637412 NSN 5310-00-753-9581

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:
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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