Model: 26-187

Shouldered Washer

Properties:

Hole Diameter

Between 0.314 inches and 0.316 inches

Shoulder Diameter

0.900 inches

Outside Diameter

Between 1.012 inches and 1.017 inches

Shoulder Height

0.125 inches

Material Thickness

Between 0.084 inches and 0.094 inches

Heat Treatment

T-4 solution heat treated, natural aged

Material

Aluminum alloy 2024

Material Specification

Qq-a-200/3 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Es6, 45hard, fscm 97153 mfr ref single treatment response

Style Designator

Shouldered

NSN

5310-00-121-7629

Part Number

26-187

Description

Washer,shouldered

CAGE

97153

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 26-187 NSN 5310-00-121-7629

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:

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:

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