National Stock Number
3040-00-027-0344
National Stock Number (NSN) 3040-00-027-0344, or NIIN 000270344, (clamp,hub) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3040005808503.
There are 9 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 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (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) 27781. [AN ITEM DESIGNED TO BE MOUNTED AROUND THE EXTENDED HUB PORTION OF A GEAR, WHEEL, OR THE LIKE, TO RETAIN IT SECURELY TO A SHAFT BY COMPRESSING THE SLOTTED HUB BODY. THE ITEM MAY ALSO BE USED TO CLAMP AROUND A SHAFT, OR THE LIKE, TO PREVENT END MOTION OR TO RETAIN IT IN POSITION. ITS COMPRESSION QUALITY IS DERIVED FROM A SCREW(S) OR BOLT(S) WHICH MAY BE A PART OF THE ITEM OF SUPPLY. FOR ITEMS DESIGNED TO SECURE DIRECTLY TO A SHAFT BY USE OF SETSCREWS, PINS, OR THE LIKE, SEE COLLAR, SHAFT. EXCLUDES:CLAMP, LOOP.]. 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 3040000270344 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.