National Stock Number
4820-00-431-0596
National Stock Number (NSN) 4820-00-431-0596, or NIIN 004310596, (valve,pneumatic tank) was assigned May 11, 1970 in the Federal Logistics Information System (FLIS). NIIN 004310596 was cancelled on July 2, 2002, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 1660013707433. 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820004310596 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.