National Stock Number (NSN) 2520-00-377-8830, or NIIN 003778830, (yoke,universal joint,vehicular) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 2520003840229, 2520003943375.
There are 6 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 very common among different weapons systems, belonging to 27 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 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) 52120. [A COMPONENT OF A UNIVERSAL JOINT DESIGNED FOR VEHICULAR APPLICATIONS. CONSISTS OF A FORK-LIKE DEVICE TO ACCOMMODATE THE SPIDER AND BEARINGS OF A UNIVERSAL JOINT BY VARIOUS ATTACHING METHODS. THE OPPOSITE END MUST HAVE EITHER A FLANGE, HUB, OR SPLINED STUB SHAFT WHICH IS DESIGNED TO BE ATTACHED TO A DRIVING OR DRIVEN MEMBER. FOR ITEMS WITH A SHAFT, THE LENGTH OF THE PLAIN PORTION MUST NOT EXCEED THE LENGTH OF THE SPLINES.]. 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 2520003778830 does not contain precious metals.
This NSN is associated to Schedule B 8483909500: parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.
This information was last updated on Aug 01, 2025.