National Stock Number
4820-01-018-5729
National Stock Number (NSN) 4820-01-018-5729, or NIIN 010185729, (cock,plug) was assigned March 29, 1976 in the Federal Logistics Information System (FLIS). NIIN 010185729 was cancelled on October 22, 2015, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820002743634. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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) 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 4820010185729 contains an unknown precious metal.
This information was last updated on May 01, 2025.