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NSN 5310-01-249-0489, 5310012490489
WASHER,SPRING TENSION

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 012490489
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 5310-01-249-0489

National Stock Number (NSN) 5310-01-249-0489, or NIIN 012490489, (washer,spring tension) was assigned February 5, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 31, 2019. There have been 8 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE5E819P1216, SPE5E819V3122, SPE5E817P2302, SPE5E815M5379, SPE5E815M5379. The total value of the awarded contracts has been US$ 14,881.87.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

There has been a small amount of 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 24, 2009, 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 5310012490489 does not contain precious metals.

This NSN is associated to Schedule B 7616108000: cotters, cotter-pins, washers and similar articles, of aluminum. 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 .


Technical Characteristics

HOLE DIAMETER
(AAUB) 0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 3.500 INCHES MINIMUM AND 3.530 INCHES MAXIMUM
OVERALL HEIGHT
(ABKW) 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6,T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS
(ABPX) 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
MATERIAL
(MATT) ALUMINUM ALLOY 2024 OVERALL
SPECIAL FEATURES
(FEAT) HOLE CSK 45.0 DEG BY 0.030 IN. DIA
STYLE DESIGNATOR
(STYL) SPRING TENSION
SURFACE TREATMENT
(SFTT) PRIMER OVERALL

Manufacturer Part Numbers


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