Model: R21161

Key Washer

Properties:

Hole Diameter

Between 1.635 inches and 1.645 inches

Outside Diameter

Between 2.172 inches and 2.203 inches

Internal Straight Key Width

Between 0.219 inches and 0.234 inches

Distance From Centerline To Top Of Internal Key

Between 0.682 inches and 0.692 inches

Internal Key Quantity

Material Thickness

Between 0.0847 inches and 0.0947 inches

End Application

W/s: aircraft, t-39; helicopter, electronic countermeasures, eh-60a; helicopter, black hawk uh-60a; helicopter, kiow oh-58 a&c; helicopter, chinook, ch-47; helicopter observation (ahip), oh-58d; helicopter, cobra/tow, ah series; helicopter, apache ah-64; helicopter, iroquois uh-1; truck, fire/crash p2

Features Provided

Casehardened

Material

Steel comp 1020

Material Specification

Sae assn standard single material response

Style Designator

Key

NSN

5310-00-769-6520

Part Number

R21161

Description

Washer,key

CAGE

83120

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 R21161 NSN 5310-00-769-6520

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:

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