Product Details | FLAT WASHER

5310-00-938-4251 A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.

Part Alternates: 361983, 5310-00-938-4251, 00-938-4251, 5310009384251, 009384251

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 21-MAR-67 00-938-4251

Drawings & Photos | NSN 5310-00-938-4251


Cross Reference | NSN 5310-00-938-4251

Part Number Cage Code Manufacturer
153-0183-004 94756 BOEING COMPANY, THE DBA BOEING
310-0740-160 13499 ROCKWELL COLLINS, INC. DBA GOVERNMENT SYSTEMS
33570-1 55972 HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS
361983 06848 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
5310007643919 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
763721-16 73030 HAMILTON SUNDSTRAND CORPORATION
A712B0300 70318 ALLMETAL SCREW PRODUCTS CORP DBA ALL METAL SCREW PRODUCTS
B70154 K0967 MBDA UK LTD
J98F0054-1 12464 MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS ELECTRONIC SYSTEMS
NAS620C3 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NAS620C32 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NSA620-C3 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
PB33570-1 99251 CARLETON LIFE SUPPORT SYSTEMS INC. DBA COBHAM MISSION SYSTEM
PW026-3 13783 SMALL LOT STAMPING DIV OF VSI CORP PRODUCTS
QSL153-0183-004 94756 BOEING COMPANY, THE DBA BOEING
SMC9816-004 07632 SERRA MANUFACTURING CORPORATION

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Technical Data | NSN 5310-00-938-4251

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HOLE DIAMETER 0.105 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.172 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.032 INCHES NOMINAL
MANUFACTURERS CODE 06848
DESIGN CONTROL REFERENCE 361983

Restrictions/Controls & Freight Information | NSN 5310-00-938-4251

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information