Product Details | FLAT WASHER

5310-01-040-4739 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: 4BA, 5310-01-040-4739, 01-040-4739, 5310010404739, 010404739

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 08 MAY 1977 01-040-4739

Demand History | NSN 5310-01-040-4739

Part Number Request Date QTY Origin
4BA 2010-03-63 1 France

Cross Reference | NSN 5310-01-040-4739

Part Number Cage Code Manufacturer
4BA K7766 BRITISH STANDARDS INSTITUTION

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 5310-01-040-4739

Technical Data | NSN 5310-01-040-4739

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM AND PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION DTD TO 904/C,FSCM K0195 MFR REF 1ST TREATMENT RESPONSE AND DEF130,FSCM K0195 MFR REF 2ND TREATMENT RESPONSE OVERALL
MANUFACTURERS CODE K7766
DESIGN CONTROL REFERENCE 4BA

Restrictions/Controls & Freight Information | NSN 5310-01-040-4739

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
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating U 50
Less than truck load rating U 50.0
Water commodity Code 596 unknown
Originating Activity Code SU Ogden Air Logistics Center
Hill AFB, UT 84056-5609
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable