National Stock Number (NSN) 5307-00-550-1879, or NIIN 005501879, (stud,plain) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 5307007817778, 5307002739382, 5307002645941, 5307005247676, 5307003715323.
There are 11 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 12 suppliers. Today, 9 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 22 contracts issued for this part number, with 22 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE4A625F089L, SPE4A625F089L, SPE4A625PJ400, SPE4A625F4460, SPE4A625F4460. The total value of the awarded contracts has been US$ 100,834.87.
This NSN is very common among different weapons systems, belonging to 84 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 Jul 07, 2011, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 15948. [A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS WITH THREADS OF THE SAME NOMINAL DIAMETER. THE MAXIMUM DIAMETER OF THE UNTHREADED PORTION MUST NOT BE GREATER THAN THE NOMINAL THREAD DIAMETER PLUS 0.020 INCHES (0.508 MM). THE UNTHREADED PORTION MUST BE WITHOUT LOCKING OR WRENCHING PROVISIONS. IT MAY BE THREAD RELIEVED. SEE ALSO ROD, THREADED END AND ROD, CONTINUOUS THREAD.]. 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 5307005501879 contains an unknown precious metal.
This NSN is associated to Schedule B 7318155000: studs of iron or steel, threaded. 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 Aug 01, 2025.