National Stock Number
2520-00-470-6339
National Stock Number (NSN) 2520-00-470-6339, or NIIN 004706339, (spider,differential) was assigned January 30, 1970 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.
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.]. 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 2520004706339 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.