National Stock Number (NSN) 1660-00-485-3429, or NIIN 004853429, (grille,metal) was assigned January 1, 1963 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 28, 2018. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A718P7052, SPM4A711V0166, SPM4A711V0166, SPM4A709V0355. The total value of the awarded contracts has been US$ 1,317.48.
This NSN is fairly common among different weapons systems, belonging to 17 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 23, 2017, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 04236. [A METAL FRAME ENCLOSING A METAL CORE WHICH IS CONSTRUCTED OF PERFORATED SHEET METAL, BARS, CORE MATERIAL, OR THE LIKE. IT IS USED TO FORM AN OPENWORK BARRIER OR SCREEN TO ALLOW THE PASSAGE OF A MAXIMUM QUANTITY OF AIR AND/OR LIGHT, BUT EXCLUDING THE PASSAGE OF FOREIGN OBJECTS. EXCLUDES:GUARD, FAN IMPELLER.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660004853429 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jul 01, 2025.