National Stock Number
4820-01-274-1684
National Stock Number (NSN) 4820-01-274-1684, or NIIN 012741684, (valve,check) was assigned March 5, 1988 in the Federal Logistics Information System (FLIS). NIIN 012741684 was cancelled on August 2, 2010, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820004494620. This NSN does not replace any other NSNs.
There are 3 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.
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) 05487. [A VALVE PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820012741684 does not contain precious metals.
This information was last updated on Apr 01, 2025.