National Stock Number
4820-15-101-5683
National Stock Number (NSN) 4820-15-101-5683, or NIIN 151015683, (cock,drain) has an unknown assigned date. 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, with the most recent procurement date of Apr 27, 2015. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC15M5419. The total value of the awarded contracts has been US$ 437.67.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 16988. [AN ITEM WITH ONE MOUNTING END AND ONE FREE FLOWING END WITH A METAL TO METAL VALVE CLOSURE. IT IS DESIGNED TO DRAIN FLUIDS FROM RADIATORS, BOILERS, AND SIMILAR ITEMS.].
This information was last updated on Jan 28, 2026.