National Stock Number
5365-01-277-1861
National Stock Number (NSN) 5365-01-277-1861, or NIIN 012771861, (ring,lock,keyed) was assigned April 19, 1988 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.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5365012771861 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.