National Stock Number
2805-00-442-5901
National Stock Number (NSN) 2805-00-442-5901, or NIIN 004425901, (manifold,exhaust) was assigned March 28, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2805009273292.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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 5 years.
This NSN is assigned to Item Name Code (INC) 61976. [A PREFORMED METALLIC ITEM WITH TWO OR MORE INLET PORTS AND PASSAGES, AND A COMMON OUTLET DESIGNED TO COLLECT AND DIRECT EXHAUST GASES FROM THE CYLINDERS OF AN INTERNAL COMBUSTION ENGINE.]. 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 2805004425901 contains an unknown precious metal.
This NSN is associated to Schedule B 8409918000: parts for spark-ignition internal combustion piston engines, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Jul 01, 2025.