National Stock Number
5996-01-178-3550
National Stock Number (NSN) 5996-01-178-3550, or NIIN 011783550, (amplifier,intermediate frequency) was assigned May 4, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 18, 2020. There have been 25 contracts issued for this part number, with 25 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7MC20V3916, SPE7M519P2132, SPE7M519V1453, SPE7M019V0652, SPE7M518V172T. The total value of the awarded contracts has been US$ 1,405,404.16.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 Dec 21, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 00885. [AN ELECTRONIC DEVICE WHOSE INPUT SIGNALS CONTROLS A LOCAL SOURCE OF POWER AND DELIVERS AN OUTPUT SIGNAL OF GREATER AMPLITUDE WITH RESPECT TO CURRENT AND/OR VOLTAGE. THE OUTPUT SIGNALS CHARACTERISTICS ARE UNIFORMLY RELATED TO THE INPUT SIGNALS. IT IS TUNED TO A SINGLE FIXED FREQUENCY WHICH IS THE RESULTANT OF HETERODYNE ACTION BETWEEN A LOCAL OSCILLATOR FREQUENCY AND A SIGNAL FREQUENCY INTRODUCED FROM AN EXTERNAL SOURCE.]. 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 5996011783550 does not contain precious metals.
This NSN is associated to Schedule B 8543709610: amplifiers. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Aug 01, 2025.