Model: 738549-1

Shouldered Washer

Properties:

Hole Diameter

0.940 inches

Shoulder Diameter

Between 1.121 inches and 1.125 inches

Outside Diameter

Between 1.212 inches and 1.216 inches

Shoulder Height

Between 0.075 inches and 0.085 inches

Material Thickness

Between 0.050 inches and 0.060 inches

Hardness Rating

45.0 rockwell c

Part Name Assigned By Controlling Agency

Navy special project

Material

Aluminum alloy 6061

Material Specification

Ams 4117 assn standard single material response

Surface Treatment

Anodize

Surface Treatment Specification

Hs334, type 2, fscm 73030 mfr ref single treatment response

Style Designator

Shouldered

NSN

5310-00-474-1370

Part Number

738549-1

Description

Washer,shouldered

CAGE

73030

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 738549-1 NSN 5310-00-474-1370

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