Midland 540806S DOT Push-In 45° Swivel Elbow – 1/2" Tube OD x 3/8" MNPT Brass Cummins X12 fitting the 4" SCH 40/80

fitting the 4" SCH 40/80 fill neck used across most modern Peterbilt models from 1972 onward

Used as a back-up

4-pin) and the host transmission's part-number tag before ordering

crossing to Baldwin BF583

DOT push-in 45° male swivel elbow that connects 1/2" OD nylon air-brake tubing to a 1/4" male NPTF port through a 45° bend

Midland 540806S DOT Push-In 45° Swivel Elbow – 1/2" Tube OD x 3/8" MNPT Brass Cummins X12 fitting the 4" SCH 40/80DOT push in 45 male swivel elbow that connects 1 2" OD nylon air brake tubing to a 3 8" male NPTF port through a 45 bend. The Midland 540806S is constructed of brass with a brass captive eyelet, a 90 durometer Buna N O ring, and pre applied Teflon based thread sealant; the swivel allows the elbow to be oriented after the male threads are seated. It is rated to 150 PSI and meets D. O. T. FMVSS 571. 106 SAE J1131 air brake requirements. Specifications