Product Details | LOCK WASHER

5310-00-261-6178 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part Alternates: 1043S3A, 104-3S3A, 5310-00-261-6178, 00-261-6178, 5310002616178, 002616178

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-261-6178

Drawings & Photos | NSN 5310-00-261-6178


Cross Reference | NSN 5310-00-261-6178

Part Number Cage Code Manufacturer
104-3S3A 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS

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Technical Data | NSN 5310-00-261-6178

Characteristic Specifications
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
HARDNESS RATING 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 101 FLAT INTERNAL TEETH
HOLE DIAMETER 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
OUTSIDE DIAMETER 0.280 INCHES MINIMUM AND 0.295 INCHES MAXIMUM
MATERIAL THICKNESS 0.014 INCHES MINIMUM AND 0.022 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-00-261-6178

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 713 unknown
Originating Activity Code XX
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 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable