Model: WI-281SN

Shouldered Washer

Properties:

Hole Diameter

Between 0.192 inches and 0.202 inches

Shoulder Diameter

Between 0.308 inches and 0.318 inches

Outside Diameter

Between 0.370 inches and 0.380 inches

Shoulder Height

Between 0.025 inches and 0.030 inches

Material Thickness

Between 0.042 inches and 0.052 inches

Material

Plastic polyamide

Material Specification

Astm d4066 assn standard single material response

Style Designator

Shouldered

NSN

5310-01-247-5306

Part Number

WI-281SN

Description

Washer,shouldered

CAGE

04729

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 WI-281SN NSN 5310-01-247-5306

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 3926904500
SITC: 89399
End Use: Other industrial supplies
NAICS: 339991
USDA: 1

Freight Class: Gaskets,washers & other seals