Model: 541-1121

Shouldered Washer

Properties:

Hole Diameter

0.875 inches

Shoulder Diameter

0.999 inches

Outside Diameter

1.140 inches

Shoulder Height

0.090 inches

Material Thickness

0.065 inches

Material

Aluminum alloy

Surface Treatment

Anodize

Style Designator

Shouldered

NSN

5310-00-864-5451

Part Number

541-1121

Description

Washer,shouldered

CAGE

46555

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 541-1121 NSN 5310-00-864-5451

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:

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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