National Stock Number
2520-00-425-6339
National Stock Number (NSN) 2520-00-425-6339, or NIIN 004256339, (universal joint,vehicular) was assigned April 14, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3110008439427.
There are 3 manufacturer part numbers associated with this NSN. None of the associated 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 assigned to Item Name Code (INC) 52079. [A FLEXIBLE CONNECTION DESIGNED FOR VEHICULAR APPLICATIONS WHICH PERMITS ROTARY MOTION TO BE TRANSMITTED BETWEEN TWO SHAFTS LOCATED AT AN ANGLE TO EACH OTHER. THE ANGLE BETWEEN THE SHAFTS MAY BE CONTINUALLY VARIED WITHIN CERTAIN LIMITS; THE CONNECTING ENDS MUST HAVE EITHER A FLANGE, HUB, OR SPLINED STUB SHAFT; THE PLAIN PORTION OF A SPLINED STUB SHAFT MUST NOT EXCEED THE LENGTH OF THE SPLINES. EXCLUDES DRIVE OR PROPELLER SHAFTS WITH JOINT(S) AT ONE OR BOTH ENDS. SEE UNIVERSAL JOINT,GEARED.]. 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 2520004256339 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.