National Stock Number
3040-00-953-0370
National Stock Number (NSN) 3040-00-953-0370, or NIIN 009530370, (clamp,hub) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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 somewhat common among different platforms, belonging to 5 different weapons systems.
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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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 3040009530370 contains an unknown precious metal.
This NSN is associated to Schedule B 7419910050: articles of copper nesoi cast stamped molded or forged but not further worked. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332999: all other miscellaneous fabricated metal product manufacturing.
This information was last updated on Aug 01, 2025.