National Stock Number
5996-00-491-1142
National Stock Number (NSN) 5996-00-491-1142, or NIIN 004911142, (amplifier,audio frequency) was assigned July 2, 1974 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 5 suppliers. Today, 4 suppliers are listed as Active suppliers 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 assigned to Item Name Code (INC) 00511. [AN ELECTRONIC DEVICE WHOSE AUDIO FREQUENCY INPUT SIGNALS CONTROL POWER FROM A SOURCE INDEPENDANT OF THE INPUT SIGNAL AND DELIVERS AUDIO FREQUENCY OUTPUT SIGNALS OF GREATER AMPLITUDE WITH RESPECT TO CURRENT AND/OR VOLTAGE. THE OUTPUT SIGNALS CHARACTERISTICS ARE UNIFORMLY RELATED TO THE INPUT SIGNALS. IT OPERATES AT FREQUENCIES OF 20 KILOHERTZS AND BELOW. IT MAY OR MAY NOT HAVE SIGNAL SWITCHING CAPABILITIES.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5996004911142 contains an unknown precious metal.
This NSN is associated to Schedule B 8518402000: audio frequency electric amplifiers, nesoi. The Schedule B End Use is listed as telecommunications equipment. NAICS classification category 334310: audio and video equipment manufacturing.
This information was last updated on Jul 01, 2025.