National Stock Number
5120-01-578-5176
National Stock Number (NSN) 5120-01-578-5176, or NIIN 015785176, (installation tool,retaining ring) was assigned October 8, 2009 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, 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 33816. [AN ITEM DESIGNED TO FACILITATE PLACEMENT OF VARIOUS SIZE RADIALLY-INSTALLED RINGS. IT HAS STRAIGHT, ANGLED, AND/OR OFFSET SLOTTED BLADE TIPS, WITH MILLED RECESS UNDERSIDE. IT MAY OR MAY NOT INCLUDE UNDERSIDE SPRING TENSION ARM.]. 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 5120015785176 does not contain precious metals.
This NSN is associated to Schedule B 8205599000: handtools (including glass cutters) and parts thereof, nesoi, of basemetal. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Jul 01, 2025.