National Stock Number (NSN) 3040-01-285-2898, or NIIN 012852898, (clamp,hub) was assigned September 10, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5342011419500.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 03, 2014. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7L314M4343, SPM7MB12M1102, SPM7MB12M1102, SPM7MB10M1617, SPM7MB10M1617. The total value of the awarded contracts has been US$ 11,577.20.
This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 30, 2020, 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) 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 3040012852898 does not contain precious metals.
This information was last updated on Aug 01, 2025.