National Stock Number
4820-01-553-1919
National Stock Number (NSN) 4820-01-553-1919, or NIIN 015531919, (regulating element,flow,valve) was assigned July 10, 2007 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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 assigned to Item Name Code (INC) 41720. [A CYLINDRICAL ITEM DESIGNED FOR STATIONARY MOUNTING IN A VALVE TO REGULATE AND QUIET THE FLOW OF LIQUIDS OR GASES. THE FLOW IS REGULATED BY A SERIES OF PASSAGES SUCH AS DRILLED HOLES, SLOTS, OR THE LIKE. IT IS NORMALLY USED ON A SUBMARINE FOR A QUIET OPERATION.]. 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 4820015531919 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 Aug 01, 2025.