Model: 299-4563-020A

Key Washer

Special Features:

External prebent keys at 45 degrees

Properties:

Hole Diameter
Between 0.250 inches and 0.270 inches
Outside Diameter
Between 0.370 inches and 0.390 inches
External Straight Key Width
Between 0.062 inches and 0.082 inches
Internal Straight Key Width
0.055 inches
Distance From Centerline To Top Of Internal Key
0.015 inches
Overall Distance Including Keys
Between 0.520 inches and 0.550 inches
External Key Quantity
9
Internal Key Quantity
1
Material Thickness
0.035 inches
Surface Finish
63.0 microinches all surfaces
Material
Steel comp 302
Material Specification
Qq-s-766, class 302, cond h federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Ei 999-5902-003c mfr ref single treatment response
Style Designator
Key
NSN
5310-01-298-2452
Part Number
299-4563-020A
Description
Washer,key
CAGE
19710

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 299-4563-020A NSN 5310-01-298-2452

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
20.0000lbs
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:
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:
Z
ACC:
Equipment for Aircraft

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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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