National Stock Number
4730-01-277-1397
National Stock Number (NSN) 4730-01-277-1397, or NIIN 012771397, (reducer,pipe) was assigned April 18, 1988 in the Federal Logistics Information System (FLIS). NIIN 012771397 was cancelled on November 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4730001960888. 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) 08505. [A STRAIGHT PIPE FITTING HAVING A DIFFERENT SIZE CONNECTION ON EACH END. IT IS DESIGNED TO JOIN TWO PIPES OF DIFFERENT SIZES OR TWO PIPE FITTINGS OF DIFFERENT SIZES. EXCLUDES:BUSHING (AS MODIFIED).]. 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 4730012771397 does not contain precious metals.
This information was last updated on Aug 01, 2025.