National Stock Number (NSN) 5325-00-285-1999, or NIIN 002851999, (lock spring,turnlock fastener) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5325011240847, 5325009340633, 5325000267773.
There are 10 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 10 suppliers. Today, 9 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 7 suppliers 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 Sep 21, 2015. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE5E015V3128, SPE5E015V3128, SPE5E415V7014, SPE5E415V7014, SPE5E415M1272. The total value of the awarded contracts has been US$ 6,535.55.
This NSN is very common among different weapons systems, belonging to 34 different platforms.
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 May 30, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 18420. [A SPRING-TEMPERED WIRE ITEM USED TO SECURE A STUD, TURNLOCK FASTENER OR STUD ASSEMBLY, TURNLOCK FASTENER BY ENGAGING WITH THE CAMMED GROOVE OF THE STUD, TURNLOCK FASTENER AND SECURING IT BY MEANS OF ITS SPRING ACTION.]. 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 5325002851999 does not contain precious metals.
This NSN is associated to Schedule B 7320905060: springs of iron or steel, other than of wire nesoi. The Schedule B End Use is listed as finished metal shapes.
This information was last updated on Jul 01, 2025.