National Stock Number
3040-01-631-0550
National Stock Number (NSN) 3040-01-631-0550, or NIIN 016310550, (adapter,spline) was assigned August 27, 2014 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2020, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 48833. [AN ITEM FOR CONNECTING TWO SETS OF GROOVES/KEYS (AS OF DIFFERENT DIAMETERS), CHANGING GROOVE/KEY SIZE AND/OR SPACING, OR FOR CHANGING GROOVE/KEY CONFIGURATION FOR USES NOT ORIGINALLY INTENDED.]. 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 3040016310550 does not contain precious metals.
This NSN is associated to Schedule B 8207907570: interchangeable tools for handtools or for machine tools, nesoi, and base metal parts thereof. The Schedule B End Use is listed as photo, service industry machinery. NAICS classification category 333515: cutting tool and machine tool accessory manufacturing.
This information was last updated on Aug 01, 2025.