National Stock Number (NSN) 3040-00-756-1766, or NIIN 007561766, (collar,shaft) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6105006289965.
There are 7 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 fairly common among different weapons systems, belonging to 14 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 20, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 13743. [AN ITEM DESIGNED TO BE MOUNTED AROUND A SHAFT TO LIMIT AXIAL MOVEMENT OF THE SHAFT AND/OR ITS ASSEMBLED PARTS. IT IS SECURED DIRECTLY TO THE SHAFT BY USE OF A SETSCREW(S), PIN(S), OR THE LIKE, WHICH MAY BE A PART OF THE ITEM OF SUPPLY. A PILOT HOLE DRILLED IN OR THROUGH THE WALL(S) FOR DRILLING AND PINNING AT APPLICATION MAY BE CONSIDERED A METHOD OF SECURING. SOLID ITEMS HAVE A BEARING SURFACE ON ONE OR BOTH END(S) PERPENDICULAR TO THE AXIS. FOR ITEMS DESIGNED TO BE MOUNTED AROUND THE EXTENDED HUB PORTION OF A MOUNTED ITEM ON A SHAFT OR CLAMP AROUND A SHAFT, SEE CLAMP, HUB. SEE ALSO BEARING, SLEEVE; BUSHING, SLEEVE; SPACER, SLEEVE; AND COUPLING, SHAFT, RIGID.]. 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 3040007561766 contains an unknown precious metal.
This NSN is associated to Schedule B 8483909500: parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.
This information was last updated on Aug 01, 2025.