National Stock Number
4320-01-725-6126
National Stock Number (NSN) 4320-01-725-6126, or NIIN 017256126, (valve flapper,pump) was assigned January 10, 2025 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 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. ISO Group has a strong supply network for this NSN, with 16 sources of supply.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 37766. [A NON-METALLIC AND/OR METALLIC, FLEXIBLE ITEM DESIGNED TO CUT OFF A FLOW AT SPECIFIC INTERVALS. THIS MAY INCLUDE ATTACHING SCREWS AND THE LIKE.]. 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 4320017256126 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.