National Stock Number (NSN) 4240-01-629-2783, or NIIN 016292783, (protector,hearing) was assigned June 24, 2014 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 10 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE8E524V0274, SPE8E523P0268, SPE8E522P1681, SPE8E621V0826, SPE8E621P0291. The total value of the awarded contracts has been US$ 12,020.32.
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 Sep 04, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
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 4240016292783 does not contain precious metals.
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 Jun 01, 2025.