National Stock Number
1680-00-355-0557
National Stock Number (NSN) 1680-00-355-0557, or NIIN 003550557, (universal joint,aircraft) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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) 52077. [A FLEXIBLE CONNECTION DESIGNED FOR AIRCRAFT 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1680003550557 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Aug 01, 2025.