Model: SM-A-974259

Shouldered Washer

Properties:

Hole Diameter

Between 0.252 inches and 0.262 inches

Shoulder Diameter

Between 0.427 inches and 0.437 inches

Outside Diameter

Between 0.620 inches and 0.640 inches

Shoulder Height

Between 0.027 inches and 0.037 inches

Material Thickness

Between 0.057 inches and 0.067 inches

Material

Fiber

Material Specification

Mil-f-1148 military specification single material response

Style Designator

Shouldered

NSN

5310-01-191-0462

Part Number

SM-A-974259

Description

Washer,shouldered

CAGE

80063

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 SM-A-974259 NSN 5310-01-191-0462

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:

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 6302930000
SITC: 65848
End Use: Apparel, household goods - textile
NAICS: 314120
USDA: 1

Freight Class: Other furnishings of man-made fibers: nesoi