National Stock Number
6610-00-663-4161
National Stock Number (NSN) 6610-00-663-4161, or NIIN 006634161, (indicator,vertical velocity) 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 2 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 one supplier. Today, one supplier is 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.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 03448. [AN INDICATOR WHICH INDICATES THE RATE OF AN AIRCRAFT'S ASCENT OR DESCENT.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6610006634161 does not contain precious metals.
This NSN is associated to Schedule B 9014900000: parts & accessories for direction finding compasses and other navigational instruments and appliances. The Schedule B End Use is listed as marine engines, parts. NAICS classification category 334511: search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing.
This information was last updated on Jul 01, 2025.