National Stock Number (NSN) 4820-01-572-7793, or NIIN 015727793, (valve,diaphragm,stop) was assigned March 25, 2009 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2990015673622.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 116 contracts issued for this part number, with 101 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE7MC25P1314, SPE7MC25P1314, SPE7MC24V2795, SPE7MC24V2795, SPE7MC24V2556. The total value of the awarded contracts has been US$ 329,917.80.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
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 Nov 21, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 13619. [A VALVE DESIGNED SPECIFICALLY SO THE DIAPHRAGM SEALS THE FLOW STREAM FROM THE VALVE OPERATING MECHANISM. THE FLOW IS CONTROLLED BY THE LIFTING OF THE DIAPHRAGM FROM OR COMPRESSING IT AGAINST AN INTEGRAL SEAT. FOR PACKLESS DIAPHRAGM VALVES WHICH UTILIZE A DIAPHRAGM AS PACKING AND A DISK TO CONTROL THE FLOW, SEE VALVE, Y.]. 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 4820015727793 does not contain precious metals.
This NSN is associated to Schedule B 8481809050: other taps, cocks, valves, etc., 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.