National Stock Number
4820-01-539-4582
National Stock Number (NSN) 4820-01-539-4582, or NIIN 015394582, (stem,fluid valve) was assigned April 24, 2006 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 Aug 02, 2006, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 32528. [AN ITEM USUALLY METALLIC, THREADED OR UNTHREADED, USED FOR SECURING TO OR POSITIONING INTO A MATING PART. IT IS DESIGNED TO BE USED IN A GLOBE, RELIEF, REGULATOR VALVE AND THE LIKE AS A MEANS OF CONTROLLING THE FLOW OF LIQUIDS OR GASES IN A GIVEN SYSTEM. ONE END MAY HAVE AN INTEGRAL DISK OR BE DESIGNED TO ACCOMMODATE A METALLIC OR NONMETALLIC DISK. THE OTHER END IS DESIGNED FOR A HANDWHEEL, LEVER, SPRING, DIAPHRAGM AND THE LIKE FOR NONPOWERED OPERATION OR TO ACCOMMODATE A GEAR, SOLENOID, AIR MOTOR AND THE LIKE FOR POWERED OPERATION. THE HANDWHEEL AND/OR DISK MAY BE FURNISHED WITH THE ITEM. EXCLUDES STEM, FAUCET; AND STEM, NEEDLE VALVE.]. 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 4820015394582 does not contain precious metals.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jul 01, 2025.