National Stock Number
3040-00-432-2177
National Stock Number (NSN) 3040-00-432-2177, or NIIN 004322177, (clamp,hub) was assigned May 3, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 3040004322177 does not contain precious metals.
This information was last updated on Aug 01, 2025.