National Stock Number (NSN) 4820-00-535-6483, or NIIN 005356483, (valve,pneumatic tank) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 9 stock numbers. Five of the National Stock Numbers that it replaces are: 4820014756395, 4220002331816, 4820013144371, 2030000821102, 4820011255621.
There are 41 manufacturer part numbers associated with this NSN. 20 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 41 suppliers. Today, 32 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts. ISO Group has built a very strong supply chain for this NSN. We have direct relationships with 53 sources of supply.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Dec 06, 2018. There have been 33 contracts issued for this part number, with 41 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A719P3042, SPE4A719P3042, SPE4A719P3042, SPE4A718PF216, SPE4A718PF216. The total value of the awarded contracts has been US$ 4,042,920.34.
This NSN is very common among different weapons systems, belonging to 238 different platforms.
This national stock number is in high demand. Globally, demand for this NSN has originated from 24 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 25, 2017, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 06509. [A VALVE, DESIGNED FOR ATTACHMENT TO PRESSURE TANKS AND/OR MECHANICAL EQUIPMENT FOR THE PURPOSE OF PERMITTING AN INCREASE, DECREASE, AND THE GAGING OF PRESSURE (SIMILAR TO TIRE VALVES) WITHIN A CONFINING CHAMBER CARRYING COMPRESSED AIR, GASES OR OIL.]. 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 4820005356483 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 Apr 01, 2025.