National Stock Number (NSN) 2530-00-445-7593, or NIIN 004457593, (hub,wheel,vehicular) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 2530001103536, 2530006295598, 2530003294061, 4920007761120, 2530008931997.
There are 8 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 16, 2020. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L220P0820, SPE7L118P1925, SPE7L217P0028, SPM7L212M2282, SPM7L212M2282. The total value of the awarded contracts has been US$ 36,624.18.
This NSN is very common among different weapons systems, belonging to 36 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 8,427. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2006, 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) 36415. [AN ITEM WHICH IS THE CENTER OF A ROTATING BODY THROUGH THE AXLE IS INSERTED. IT HAS MOUNTING FACILITIES TO POSITION AND RETAIN A WHEEL AND RIM. MAY BE FURNISHED WITH STUDS OR BOLTS. ITEM DOES NOT INCLUDE CUP BEARING OR CONES. EXCLUDES WHEEL (1), PNEUMATIC TIRE; HUB (1), BODY.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2530004457593 does not contain precious metals.
This NSN is associated to Schedule B 8482105016: angular contact bearings, wheel hub units, flanged. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332991: ball and roller bearing manufacturing.
This information was last updated on Jul 01, 2025.