National Stock Number
4140-01-237-1524
National Stock Number (NSN) 4140-01-237-1524, or NIIN 012371524, (guard,fan impeller) was assigned July 25, 1986 in the Federal Logistics Information System (FLIS). NIIN 012371524 was cancelled on December 2, 2006, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4140013911974. 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 3 suppliers. Today, 3 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) 36295. [A SAFETY DEVICE SPECIFICALLY DESIGNED TO PROTECT OR SHIELD A FAN IMPELLER FROM PHYSICAL DAMAGE AND/OR PREVENT POSSIBLE INJURY TO PERSONNEL WHILE THE FAN IS IN OPERATION. IT MAY CONSIST OF A WIREGUARD, SCREEN, GRILLE AND THE LIKE. EXCLUDES COVER, ELECTRIC FAN AND GRILLE, METAL.]. 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 4140012371524 does not contain precious metals.
This information was last updated on Aug 01, 2025.