$40.00Original price was: $40.00.$20.00Current price is: $20.00.
EARPHONE ELEMENT, HIGH-AND LOW-ALTITUDE, H-143/AIC, AND LOW-ALTITUDE, WATER-IMMERSIBLE, H-143A/AIC (SUPERSEDING MIL-E-25670/2B) standard by Military Specifications and Standards, 05/30/1997
