National Stock Number (NSN) 5315-00-421-4921, or NIIN 004214921, (pin,retaining) was assigned December 9, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 Apr 10, 2018. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE5E318V4674, SPE5E318P0320. The total value of the awarded contracts has been US$ 87,678.80.
This NSN is very common among different weapons systems, belonging to 28 different platforms.
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 12, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 02388. [A PREFORMED WIRE FASTENING DEVICE BENT TO FORM A SPRING AT ONE END, ONE PRONG BEING EXTENDED, THE OTHER BEING BENT TO FORM A HOOK TO HOLD THE EXTENDED PRONG 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 5315004214921 contains an unknown precious metal.
This NSN is associated to Schedule B 7319409000: pins of iron or steel nesoi. The Schedule B End Use is listed as cell phones and other household goods, n.e.c.. NAICS classification category 339993: fastener, button, needle, and pin manufacturing.
This information was last updated on Aug 01, 2025.