Model: 12977

Key Washer

Properties:

Hole Diameter
0.328 inches
Outside Diameter
0.500 inches
External Prebent Key Length
0.094 inches
External Tapered Key Width
0.750 inches
External Prebent Key Width
0.125 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.316 inches and 0.326 inches
Overall Distance Including Keys
0.844 inches
Split Key Length
0.125 inches
External Key Quantity
3
Material Thickness
0.032 inches
Angle Between External Keys
90.0 degrees
External Prebent Key Angle
45.0 degrees
Material
Steel or steel comp 1010
Material
Steel or steel comp 1010
Material Specification
Qq-s-698 federal specification 1st material response or ams 5040 assn standard 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 federal specification single treatment response
Style Designator
Key
NSN
5310-00-444-6450
Part Number
12977
Description
Washer,key
CAGE
66195

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 12977 NSN 5310-00-444-6450

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:
4.2000lbs
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:
573
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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