National Stock Number
3040-00-451-8496
National Stock Number (NSN) 3040-00-451-8496, or NIIN 004518496, (collar,shaft) was assigned May 21, 1971 in the Federal Logistics Information System (FLIS). 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 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.
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: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3040004518496 does not contain precious metals.
This information was last updated on Aug 01, 2025.