National Stock Number
5965-00-644-0312
National Stock Number (NSN) 5965-00-644-0312, or NIIN 006440312, (mouthpiece,microphone) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5965006006586.
There are 2 manufacturer part numbers associated with this NSN. 2 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 5 years.
This NSN is assigned to Item Name Code (INC) 00707. [AN ITEM ATTACHED TO A MICROPHONE FOR THE PURPOSE OF DIRECTING SOUND WAVES INTO THE MICROPHONE ELEMENT. IT IS USUALLY TUBULAR OR CUPPED SHAPED. FOR ITEMS WHICH ARE ESSENTIALLY FLAT AND WHICH HAVE NO SPECIFIC DIRECTIONAL PROPERTIES, SEE CAP, ELECTRICAL.]. 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 5965006440312 contains an unknown precious metal.
This NSN is associated to Schedule B 8518903000: microphone parts, loudspeaker parts, amplifier parts & headphone parts. 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.