Model: 44049D221

Key Washer

Properties:

Hole Diameter
Between 3.540 inches and 3.550 inches
Outside Diameter
Between 3.985 inches and 3.995 inches
External Straight Key Width
Between 0.150 inches and 0.170 inches
Internal Straight Key Width
Between 0.350 inches and 0.360 inches
Distance From Centerline To Top Of Internal Key
Between 1.615 inches and 1.620 inches
Overall Distance Including Keys
Between 4.345 inches and 4.355 inches
External Key Quantity
4
Internal Key Quantity
2
Material Thickness
Between 0.046 inches and 0.054 inches
Hardness Rating
Between 32.0 rockwell c and 36.0 rockwell c
Surface Finish
63.0 microinches bottom
Surface Finish
63.0 microinches inner
Surface Finish
63.0 microinches top
Part Name Assigned By Controlling Agency
Navy special project
Color
Black
Material
Steel comp 4130
Material Specification
Ams 6350 assn standard single material response
Surface Treatment
Oxide film
Surface Treatment Specification
Ams 2485 assn standard single treatment response
Style Designator
Key
NSN
5310-00-450-4209
Part Number
44049D221
Description
Washer,key
CAGE
82402

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 44049D221 NSN 5310-00-450-4209

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:
--
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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