National Stock Number (NSN) 4820-00-277-1765, or NIIN 002771765, (cock,plug) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 13 stock numbers. Five of the National Stock Numbers that it replaces are: 4820000835900, 4820007351346, 4820004961485, 4820008101618, 4820005550596.
There are 21 manufacturer part numbers associated with this NSN. 21 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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, with the most recent procurement date of Feb 18, 2015. There have been 12 contracts issued for this part number, with 12 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE7MC15M3627, SPM7M212M5769, SPM7M212M5769, SPM7M212M5769, SPM7M212M5769. The total value of the awarded contracts has been US$ 26,921.04.
This NSN is somewhat common among different platforms, belonging to 8 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 Jan 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 16991. [AN ITEM THAT CONTROLS THE FLOW OF A FLUID BY ROTATION OF A PORTED PLUG WITHIN A SUITABLE PORTED SEAT. IT MUST NOT HAVE ANY LUBRICATION OTHER THAN FROM THE FLUID CONTROLLED, NOR CONTAIN ANY NONMETALLIC SEAL BETWEEN PLUG AND SEAT. SEE ALSO VALVE, SEATLESS AND VALVE, PLUG.]. 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 4820002771765 contains an unknown precious metal.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Aug 01, 2025.