BRAKE SWITCH AIR UPGRADE KIT FOR M35A2. 

THIS KIT ALLOWS YOU TO SWAP FROM THE ORIGINAL HYDRAULIC SIDE BRAKE SWITCH TO A SWITCH ON THE AIR SIDE OF THE AIR PACK PLUMBING.

THE AIR SWITCH IS ALSO AVAILABLE INDIVIDUALLY UNDER # 11602160

PART # 12255668 NSN 2530-01-105-5025, 2530011055025