NSN 5310-01-072-4481, 5310010724481
WASHER,SPRING TENSION

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 010724481
Codification Country: United States
Item Name Code: INC 15938
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 5310-01-072-4481

National Stock Number (NSN) 5310-01-072-4481, or NIIN 010724481, (washer,spring tension) was assigned March 1, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over a year. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A623PS775. The total value of the awarded contracts has been US$ 3,278.04.

This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 15938. [A BENT SPRING METAL WASHER WITH A CENTRALLY LOCATED HOLE. IT IS DESIGNED TO EXERT PRESSURE AXIALLY WHEN ASSEMBLED IN PLACE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310010724481 does not contain precious metals.

This NSN is associated to Schedule B 7318210000: spring washers and other lock washers, iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on Nov 01, 2024.

Technical Characteristics

HARDNESS RATING: (CQFM) 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
HOLE DIAMETER: (AAUB) 0.3800 INCHES NOMINAL
OUTSIDE DIAMETER: (ABKV) 0.7500 INCHES NOMINAL
OVERALL HEIGHT: (ABKW) 0.0590 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTMA506 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS: (ABPX) 0.0400 INCHES NOMINAL
MATERIAL: (MATT) STEEL COMP 6150 OVERALL
STYLE DESIGNATOR: (STYL) SPRING TENSION
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: (SFTT) CADMIUM OVERALL