National Stock Number
5996-01-139-2843
National Stock Number (NSN) 5996-01-139-2843, or NIIN 011392843, (amplifier,audio frequency) was assigned September 28, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5996000880246.
There are 5 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 28 contracts issued for this part number, with 46 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7MX22F434R, SPE7MX22F358Z, SPE7M122F7479, SPE7M122F4756, SPE7M121F135L. The total value of the awarded contracts has been US$ 3,619,042.42.
This NSN is fairly common among different weapons systems, belonging to 18 different platforms.
There has been a small amount of 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 Apr 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 but does have other critical feature(s) 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 5996011392843 does not contain precious metals.
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 Aug 01, 2025.