National Stock Number
3040-01-277-5598
National Stock Number (NSN) 3040-01-277-5598, or NIIN 012775598, (hub,body) was assigned April 22, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 20, 2015, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 27782. [A CYLINDRICAL SHOULDER TYPE ITEM DESIGNED TO BE MOUNTED AND SECURED DIRECTLY ON A SHAFT OR AXLE TO POSITION AND RETAIN ON ITS BODY A GEAR(S), WHEEL(S), OR THE LIKE. ITEMS MUST HAVE A METHOD OF SECURING DIRECTLY TO THE SHAFT; HOWEVER, A PILOT HOLE DRILLED IN OR THROUGH THE WALL OF THE SHOULDER MAY BE CONSIDERED A METHOD OF SECURING; OR BY COMPRESSING THE SLOTTED HUB END ON THE SHAFT BY A HUB CLAMP, WHICH MAY OR MAY NOT BE INCLUDED. EXCLUDES BEARING, SLEEVE; BUSHING, SLEEVE; AND COLLAR, SHAFT.]. 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 3040012775598 does not contain precious metals.
This NSN is associated to Schedule B 8483905000: parts of gearing, gear boxes and other speed changers. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.
This information was last updated on Aug 01, 2025.