National Stock Number
4820-01-226-8426
National Stock Number (NSN) 4820-01-226-8426, or NIIN 012268426, (valve,vacuum regulating) was assigned February 24, 1986 in the Federal Logistics Information System (FLIS). NIIN 012268426 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, there are no suppliers that 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) 27489. [A DEVICE DESIGNED TO REGULATE VACUUM WITHIN THE DESIRED OPERATING LIMITS. SEE ALSO VALVE, VACUUM BREAKING.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4820012268426 does not contain precious metals.
This information was last updated on Aug 01, 2025.