National Stock Number
5965-00-021-0921
National Stock Number (NSN) 5965-00-021-0921, or NIIN 000210921, (cushion,ear) was assigned February 18, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5965007419872.
There are 5 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. 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 fairly common among different weapons systems, belonging to 22 different platforms.
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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 36876. [AN ITEM MADE OF SOFT MATERIAL(S) DESIGNED TO FIT ON AN EARPHONE SHELL OF AN ELECTRICAL HEADSET OR ON THE MUFF OF A HEARING PROTECTOR BY A POSITIVE MEANS OF ATTACHMENT, SUCH AS AN ELASTIC BAND OR A CLAMP RING. ITS PURPOSE IS TO PREVENT EXTERNAL NOISES FROM REACHING THE EARS OF THE USER AND TO LESSEN PHYSICAL DISCOMFORT OCCASIONED BY CONTINUOUS USE.]. 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 5965000210921 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.