National Stock Number
5120-01-256-1901
National Stock Number (NSN) 5120-01-256-1901, or NIIN 012561901, (flaring tool,tube,hand) was assigned June 3, 1987 in the Federal Logistics Information System (FLIS). NIIN 012561901 was cancelled on December 15, 2017, 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. One of those 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, 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) 03389. [A NONCUTTING TOOL HAVING A MALE FORMING DIE AND A TUBE GRIPPING OR CLAMPING DEVICE. IT IS DESIGNED TO PRODUCE A SINGLE FLARE OR DOUBLE LAP FLARE, OF A SPECIFIC SIZE AND ANGLE TO FIT A TUBE FITTING, ON THE END(S) OF METALLIC TUBING. EXCLUDES:PUNCH, TUBE FLARING, HAND. SEE ALSO PUNCH, TUBE BELLING, HAND.]. 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 5120012561901 does not contain precious metals.
This information was last updated on Aug 01, 2025.