National Stock Number (NSN) 4820-00-394-9642, or NIIN 003949642, (cock,poppet drain) was assigned April 12, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 19 contracts issued for this part number, with 19 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7MC24V8561, SPE7MC24P2180, SPE7MC21V000W, SPE7MC21V2224, SPE7M820V0068. The total value of the awarded contracts has been US$ 211,545.31.
This NSN is somewhat common among different platforms, belonging to 3 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$ 15,451. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 12, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 16989. [AN ITEM DESIGNED TO DRAIN FLUIDS FROM FUEL SYSTEMS, TANKS, FILTERS, OR SIMILAR ITEMS. IT HAS A MOUNTING END, A FREE FLOWING END, AND A QUICK-ACTING NONMETALLIC SEALED CLOSURE, USUALLY SPRING LOADED, THAT HOLDS IT IN AN "OFF" POSITION. IT REQUIRES NO LUBRICATION OTHER THAN FROM THE FLUID BEING DRAINED.]. 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 4820003949642 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.