Product Details:
Detroit Switch Inc. #222-10NL-2222794 pressure switch. -10º to 60ºF contact adjust range. 115v AC @ 16 amp (#1), 550v AC @ 3.2 amp (#2), 115v DC @ 9.6 amp (#3), 350v DC @ 2.0 amp (#4). Silver contacts. See file for all specs. NSN: 5930-01-177-8943. Circa 1989.

Product PDFs: