BENDIX STYLE LOW AIR SWITCH FOR SOME 2.5 TON AND SOME 5 TON TRUCKS. THIS SWITCH IS THE STYLE THAT BOLTS TO THE FIREWALL AND HAS A WIRE CONNECTOR AT THE TOP AND AT THE BOTTOM.

PART # MS27152-1 NSN 5930-00-058-1576, 5930000581576 ALT #s 288408, 225849, 7013-01, 8376997, 5930000653604, AD-18212-A