National Stock Number (NSN) 5342-00-477-5540, or NIIN 004775540, (mount,resilient,weapon system) was assigned September 12, 1969 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 53589. [AN ITEM MADE OF MATERIAL HAVING ELASTIC PROPERTIES. IT MAY HAVE RIGID MOUNTING FACILITIES SUCH AS A FLANGE(S), SLEEVE(S), STUD(S) OR THE LIKE. IT IS DESIGNED TO ISOLATE OR DAMPEN SHOCK AND/OR VIBRATION OF A CONTINUOUS OR INTERMITTENT ORIGIN AND SERVE AS A SUPPORT FOR A WEAPON SYSTEM COMPONENT TO BE ISOLATED. EXCLUDES MOUNT, RESILIENT, GENERAL PURPOSE; SPRING (AS MODIFIED); BUMPER, NONMETALLIC; BUMPER, RUBBER; BUSHING, NONMETALLIC; HYDRAULIC AND PNEUMATIC SHOCK ABSORBERS, DASH-POTS, GROMMETS, AND SHOCK PADS.]. 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 5342004775540 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.