National Stock Number
2990-00-518-4439
National Stock Number (NSN) 2990-00-518-4439, or NIIN 005184439, (valve,positive crankcase ventilation) was assigned June 28, 1971 in the Federal Logistics Information System (FLIS). NIIN 005184439 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 2940010085702.
There are 11 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 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.]. 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 2990005184439 contains an unknown precious metal.
This information was last updated on Apr 01, 2024.