National Stock Number
5315-01-197-4378
National Stock Number (NSN) 5315-01-197-4378, or NIIN 011974378, (key,machine) was assigned December 21, 1984 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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 Dec 14, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 02378. [A METALLIC ITEM, USUALLY SQUARE OR RECTANGULAR IN CROSS SECTION, USUALLY LONGER IN RELATION TO ITS WIDTH AND THICKNESS, WITH OR WITHOUT A HEAD, USUALLY DESIGNED TO FIT INTO THE PRE-CUT SLOTS OF TWO ADJACENT CYLINDRICALLY SHAPED MEMBERS, TO PREVENT RELATIVE ROTATIONAL MOVEMENT BETWEEN THE TWO. IT MAY HAVE MOUNTING HOLES OR SLOTS.]. 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 5315011974378 does not contain precious metals.
This NSN is associated to Schedule B 8301600000: parts of locks, base metal. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332510: hardware manufacturing.
This information was last updated on Jul 01, 2025.