Specifications include, but are not limited to: 3M Part number Description MT20H682FB-47N GN 3M™ PELTOR™ SWAT-TAC VI NIB – OD Green Headset - Headband + ARC - SINGLE COMM - Includes Gel Ear Cushions; FL5063-02 3M™ PELTOR™ Push-To-Talk (PTT) Adapter FL5063-02, 1 ea/cs - APX Series; The 3M Peltor ComTac VI NIB Tactical Communication Headset shall include: A. Headset must be offered with two band options: Headband and connection to the helmet rail. B. Headset must be OD Green C. Headset must be an “over-the-ear” style ear muff. In-ear will not be accepted. D. On the rail configuration: I. Headset must attach to the top of the rail, not from behind. II. Headset will have an “open” and “closed” position to facilitate donning and doffing. III. Hearing protection will be enabled when the headset is in the closed position; IV. In the open position, operator must be able to receive (via the headset speaker) and transmit (via the headset boom mic) over the radio; V. The Ear Cups will be able to rotate clockwise and counter-clockwise when mounted to the helmet E. Headset must come with silicone gel ear cushions that contain no hazardous ingredients