National Stock Number
5365-01-180-6341
National Stock Number (NSN) 5365-01-180-6341, or NIIN 011806341, (ring,lock,keyed) was assigned May 31, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 11 contracts issued for this part number, with 12 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: SPE4A725F2378, SPE4A724F6454, SPE4A723F9891, SPE4A614D0109, SPE4A614M6885. The total value of the awarded contracts has been US$ 753,277.64.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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 Nov 22, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21973. [A LOCKING DEVICE WITH TWO KEYS SPACED APPROXIMATELY 180 DEGREES CENTER TO CENTER AND PROTRUDING FROM THE SEATING SURFACE OF THE RING. WHEN INSTALLED THE KEYS MATE WITH COMPANION KEYWAYS IN THE EXTERNAL THREADS OF SCREW THREAD INSERTS, LOCKED-IN STUDS, OR SIMILAR TYPE ITEMS, AND CUT THROUGH SUFFICIENT THREADS OF THE PARENT MATERIAL TAPPED HOLE TO PROVIDE A POSITIVE LOCK BETWEEN THE THREADED BODIES.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5365011806341 does not contain precious metals.
This NSN is associated to Schedule B 7317009000: nails and similar articles of iron or steel except those with heads of copper. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 331222: steel wire drawing.
This information was last updated on Jul 01, 2025.