Mark 2 replacement part, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
NSN 5915-01-633-9845
NSN 5990-00-832-2557
NSN 6685-01-233-3750
NSN 5855-01-396-0258
NSN 5996-01-362-9732
NSN 6105-00-186-0161
NSN 5835-01-408-4212
NSN 5998-01-395-2105
NSN 6130-01-129-5495
NSN 5945-01-198-8989
NSN 5996-00-151-4462
NSN 5935-01-513-9990