National Stock Number (NSN) 2541-01-556-3891, or NIIN 015563891, (armor,transparent,vehicular wind) was assigned October 2, 2007 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 2510015563892, 2510015554779.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 12, 2020. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L120P3974, SPM7L310M3313. The total value of the awarded contracts has been US$ 253,834.95.
This NSN is fairly common among different weapons systems, belonging to 11 different platforms.
There has been a small amount of 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 Aug 14, 2012, 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) 68191. [A SINGLE OR MULTI-PIECE ITEM(S), CURVED OR FLAT, WITH FRAME(S), OF TRANSPARENT ARMOR MATERIAL. DESIGNED FOR MOUNTING IN A VEHICULAR BODY, DOOR OR THE L IKE, TO ALLOW VISIBILITY AND TO SHIELD PERSONNEL FROM ENVIRONMENTAL EFFECTS SUCH AS RAIN, DUST, WIND, AND THE LIKE AND TO PROTECT PERSONNEL FROM SMALL ARMS PROJECTILES AND SHELL FRAGMENTS. ALSO INCLUDES CURVED TRANSPARENT ARMOR WITHOUT FRAMES FORMING PART OF A VEHICULAR BODY. EXCLUDES WINDOW,VEHICULAR; GLASS,LAMINATED; GLASS,SAFETY,SINGLE PLATE; PLASTIC SHEET; GLASS,SHEET.]. 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 2541015563891 does not contain precious metals.
This NSN is associated to Schedule B 8710000090: parts of armored fighting vehicles,motorized, whether or not fitted with weapons. The Schedule B End Use is listed as military trucks, armored vehicles, etc.. NAICS classification category 336992: military armored vehicle, tank, and tank component manufacturing.
This information was last updated on Aug 01, 2025.