National Stock Number
2990-01-372-4655
National Stock Number (NSN) 2990-01-372-4655, or NIIN 013724655, (valve,positive crankcase ventila) was assigned March 11, 1993 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated 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, 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) 36098. [A DEVICE DESIGNED TO WITHDRAW BLOW-BY FUMES FROM THE ENGINE AND RECIRCULATE THEM INTO THE COMBUSTION CHAMBER. CONSISTS OF ITEMS AS A PLUNGER, SPRING, BODY AND THE LIKE. EXCLUDES VALVE (1), AIR PRESSURE RELIEF AND VALVE SAFETY RELIEF.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990013724655 contains an unknown precious metal.
This NSN is associated to Schedule B 8481809050: other taps, cocks, valves, etc., 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.