National Stock Number
2520-00-311-6429
National Stock Number (NSN) 2520-00-311-6429, or NIIN 003116429, (spider,differential) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2520008850532, 2520006751593, 2520004953107.
There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 3 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 assigned to Item Name Code (INC) 10263. [A SPIDER WITH FOUR RADIATING ARMS, DESIGNED TO FORM A CONNECTION BETWEEN TWO SHAFTS, WHICH ALLOWS ONE SHAFT TO ROTATE WHILE THE OTHER IS STOPPED OR ROTATES AT A DIFFERENT SPEED OR DIRECTION.]. 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 2520003116429 contains an unknown precious metal.
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.