Model: 3397180

Shouldered Washer

Properties:

Hole Diameter

Between 0.127 inches and 0.133 inches

Shoulder Diameter

Between 0.255 inches and 0.259 inches

Outside Diameter

0.340 inches

Shoulder Height

0.040 inches

Material Thickness

0.040 inches

Material

Aluminum alloy 6061

Material Specification

Qq-a-225/8, temper t6 federal specification single material response

Surface Treatment

Chromate

Surface Treatment Specification

Mil-c-5541, cl 1a military specification single treatment response

Style Designator

Shouldered

NSN

5310-01-105-1873

Part Number

3397180

Description

Washer,shouldered

CAGE

00816

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part 3397180 NSN 5310-01-105-1873

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15934

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616108000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum