National Stock Number
4820-00-191-6587
National Stock Number (NSN) 4820-00-191-6587, or NIIN 001916587, (cock,plug) was assigned May 1, 1994 in the Federal Logistics Information System (FLIS). NIIN 001916587 was cancelled on May 2, 1994, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820004944103. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820001916587 does not contain precious metals.
This information was last updated on Aug 01, 2025.