Model: 520299

Key Washer

Special Features:

12 internal keys equally spaced

Properties:

Hole Diameter

Between 3.820 inches and 3.840 inches

Outside Diameter

Between 4.140 inches and 4.160 inches

Internal Prebent Key Length

Between 0.320 inches and 0.340 inches

Internal Prebent Key Width

Between 0.190 inches and 0.210 inches

Distance From Centerline To Inside Of Prebent Key

Between 1.780 inches and 1.790 inches

Material Thickness

Between 0.038 inches and 0.048 inches

Material

Steel comp 4130 or steel comp 8630

Material Specification

Ams6350 assn standard 1st material response or ams6355 assn standard 2nd material response

Style Designator

Key

NSN

5310-00-943-2474

Part Number

520299

Description

Washer,key

CAGE

77445

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 520299 NSN 5310-00-943-2474

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01869

FIIG:

A022B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

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