National Stock Number (NSN) 5315-01-055-6373, or NIIN 010556373, (pin,straight,headless) was assigned February 9, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 25, 2018. There have been 5 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A518P8394, SPE4A117P0602, SPE4A516M7504, SPE4A516M7504, SPE4A416V0808. The total value of the awarded contracts has been US$ 63,280.84.
This NSN is unique to one weapons system.
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 Oct 17, 2012, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 02390. [A HEADLESS, GENERALLY CYLINDRICALLY-SHAPED ITEM HAVING A STRAIGHT, SMOOTH, SOLID BODY, WITH OR WITHOUT A DRILLED HOLE(S). IT HAS AN OUTSIDE DIAMETER EQUAL TO OR LESS THAN ITS LENGTH. ITS LENGTH MUST NOT EXCEED TWELVE INCHES (304 MM); FOR ITEMS WHOSE LENGTH EXCEEDS TWELVE INCHES (304 MM); SEE ROD,STRAIGHT,HEADLESS. IT IS USED FOR ALIGNING OR TRANSFER OF TORQUE AND/OR THRUST, BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. SEE ALSO PIN,STRAIGHT,THREADED.]. 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 5315010556373 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.