National Stock Number (NSN) 1025-01-569-3629, or NIIN 015693629, (ring,obturator) was assigned November 27, 2008 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 1025015356284, 1025015278508.
There are 5 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 44 contracts issued for this part number, with 39 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L125P5825, SPE7L125P5825, SPE7L125P4720, SPE7L425P0533, SPE7L125P0917. The total value of the awarded contracts has been US$ 20,921,485.90.
This NSN is somewhat common among different platforms, belonging to 2 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 1,455,857. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 18, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 40560. [A METALLIC OR NONMETALLIC CIRCULAR ITEM SPECIFICALLY DESIGNED TO BE PLACED AT THE BREECH-BLOCK END OF A GUN BARREL CHAMBER FOR SEALING AGAINST POWDER GASES. IT IS ALSO USED TO SEAL AGAINST POWDER GASES BETWEEN A PROJECTILE AND THE GUN BARREL.]. 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 1025015693629 does not contain precious metals.
This NSN is associated to Schedule B 9305913010: parts and accessories of military artillery weapons of 9301.11 or 9301.19. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332994: small arms, ordnance, and ordnance accessories manufacturing.
This information was last updated on May 01, 2025.