NSN 5310-01-352-7382, 5310013527382
WASHER,FLAT

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 013527382
Codification Country: United States
Item Name Code: INC 13393
Criticality: (N) This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5310-01-352-7382

National Stock Number (NSN) 5310-01-352-7382, or NIIN 013527382, (washer,flat) was assigned January 30, 1992 in the Federal Logistics Information System (FLIS). NIIN 013527382 was cancelled on July 2, 2002, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310011057241. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN. ISO Group has built a very strong supply chain for this NSN. We have direct relationships with 32 sources of supply.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

This national stock number is in high demand. Globally, demand for this NSN has originated from 19 countries.

This NSN is assigned to Item Name Code (INC) 13393. [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.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310013527382 does not contain precious metals.

This information was last updated on Jul 01, 2025.