National Stock Number
2520-00-172-1956
National Stock Number (NSN) 2520-00-172-1956, or NIIN 001721956, (universal joint,vehicular) was assigned August 23, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. 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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 2520001721956 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 Jul 01, 2025.