National Stock Number
4820-01-657-4419
National Stock Number (NSN) 4820-01-657-4419, or NIIN 016574419, (valve,tee) was assigned August 15, 2016 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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 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 not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 31988. [A VALVE WITH THREE CONNECTIONS POSITIONED PARALLEL AND/OR 90 DEGREES (1.5708 RADIANS) FROM EACH OTHER AND ARE NOT ON A RUN. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS A DISK PERPENDICULARLY OFF THE CENTER AXIS OF ITS SEAT.]. 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 4820016574419 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 Aug 01, 2025.