Model: MIL-B-81935/3

Key Washer

Properties:

Hole Diameter

Between 0.381 inches and 0.391 inches

Outside Diameter

Between 0.560 inches and 0.580 inches

Internal Prebent Key Width

Between 0.081 inches and 0.091 inches

Material Thickness

0.060 inches

Hardness Rating

Between 35.0 rockwell c and 39.0 rockwell c

Wire Hole Diameter

Between 0.062 inches and 0.072 inches

Material

Steel comp 4130

Material Specification

Mil-s-18729 military specification single material response or sae assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification single treatment response

Style Designator

Internal prebent key

Specification Data

81349-mil-b-81935/3 government specification

NSN

5310-01-052-9164

Part Number

MIL-B-81935/3

Description

Washer,key

CAGE

81349

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 MIL-B-81935/3 NSN 5310-01-052-9164

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