National Stock Number (NSN) 4240-00-759-3290, or NIIN 007593290, (protector,hearing) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4240007622582.
There are 12 manufacturer part numbers associated with this NSN. 8 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 a year. There have been 24 contracts issued for this part number, with 45 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: SPE8E924F0064, SPE8E924F0064, SPE8E924F0064, SPE8E924F0064, SPE8E924F0064. The total value of the awarded contracts has been US$ 16,313,295.09.
This NSN is very common among different weapons systems, belonging to 65 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 6 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 42204. [AN ITEM CONSISTING OF TWO EARCUPS, EACH OF WHICH ARE FILLED WITH SOUND ATTENUATING MATERIAL. IT IS DESIGNED TO COMPLETELY COVER THE WEARER'S EARS AND PROTECT THEM FROM HIGH INTENSITY SOUND. IT MAY INCLUDE A HEADBAND OR IT MAY BE DESIGNED FOR MOUNTING ONTO HEADWARE, SUCH AS A HELMET. FOR ITEMS CONTAINING EARPHONES, SEE HEADSET, ELECTRICAL AND HEADSET-MICROPHONE. FOR ITEMS DESIGNED TO BE INSERTED INTO THE EAR, SEE PLUG, EAR.]. 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 4240007593290 contains an unknown precious metal.
This NSN is associated to Schedule B 6506100090: safety headgear, whether or not lined or trimmed, n.e.s.o.i.. The Schedule B End Use is listed as apparel,household goods-nontextile. NAICS classification category 339113: surgical appliance and supplies manufacturing.
This information was last updated on Apr 01, 2025.