National Stock Number
3040-01-720-7749
National Stock Number (NSN) 3040-01-720-7749, or NIIN 017207749, (clamp-bushing assembly,shaft-hub) was assigned May 15, 2024 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 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 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) 46824. [A DETACHABLE CLAMPING CONNECTION BETWEEN A SHAFT AND A HUB. THE CONNECTION IS EFFECTED BY FRICTION AND TRANSMITS HIGH TORQUE RATINGS WITHOUT BACKLASH. THE ITEM USUALLY CONSISTS OF A SLOTTED CONICAL INNER AND OUTER RING, CLAMP SCREWS, THRUST COLLAR AND THE LIKE. IT MAY HAVE AN ADJUSTABLE NONPOSITIVE CONNECTION AND IS NOT SUITABLE AS A SLIDING CLUTCH. EXCLUDES:CLUTCH ASSEMBLY, FRICTION; COUPLING, SHAFT, FLEXIBLE; 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 3040017207749 does not contain precious metals.
This information was last updated on Jul 01, 2025.