National Stock Number
5965-00-993-5439
National Stock Number (NSN) 5965-00-993-5439, or NIIN 009935439, (microphone,carbon) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 8 manufacturer part numbers associated with this NSN. 7 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, 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 5 years, with the most recent procurement date of Sep 15, 2016. There have been 8 contracts issued for this part number, with 8 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC16VC826, SPM7MX13D0074, SPM7MX13D0074, SPM7M513V0555, SPM7M912V6610. The total value of the awarded contracts has been US$ 65,068.70.
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 Apr 26, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00359. [A MICROPHONE WHICH DEPENDS FOR ITS OPERATION UPON THE VARIATION IN RESISTANCE OF CARBON GRANULES.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5965009935439 contains an unknown precious metal.
This NSN is associated to Schedule B 8518100000: microphones and stands thereof. 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.