Model: 180788-1

Shouldered Washer

Properties:

Hole Diameter

Between 0.212 inches and 0.213 inches

Shoulder Diameter

2.190 inches

Outside Diameter

Between 2.610 inches and 2.620 inches

Shoulder Height

Between 0.080 inches and 0.090 inches

Material Thickness

Between 0.040 inches and 0.050 inches

Part Name Assigned By Controlling Agency

Navy special project

Heat Treatment

F-as fabricated

Material

Aluminum alloy

Material Specification

Qq-a-225/8, t6 federal specification 1st material response or ww-t-700/6 federal specification 2nd material response

Material Specification

Qq-a-225/8, t6 federal specification 1st material response or ww-t-700/6 federal specification 2nd material response

Surface Treatment

Anodize

Style Designator

Shouldered

Test Data Document

81349-mil-i-6866 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

NSN

5310-00-172-6898

Part Number

180788-1

Description

Washer,shouldered

CAGE

71791

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 180788-1 NSN 5310-00-172-6898

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:

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