Model: 321290-1

Key Washer

Properties:

Hole Diameter
Between 0.375 inches and 0.379 inches
Outside Diameter
Between 0.615 inches and 0.635 inches
External Prebent Key Length
Between 0.084 inches and 0.104 inches
External Prebent Key Width
Between 0.117 inches and 0.123 inches
Internal Straight Key Width
Between 0.059 inches and 0.061 inches
Distance From Centerline To Top Of Internal Key
Between 0.157 inches and 0.163 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.406 inches and 0.416 inches
Overall Distance Including Keys
Between 0.749 inches and 0.759 inches
Material Thickness
0.031 inches
External Prebent Key Angle
90.0 degrees
Material
Copper alloy
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Style Designator
Key
NSN
5310-00-637-4885
Part Number
321290-1
Description
Washer,key
CAGE
80020

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 321290-1 NSN 5310-00-637-4885

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:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper washers including spring washers not threaded

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