Each corner has an inward radius; there are 4 holes 0.31 in dia, c'bored 0.750 diameter x 12 deg.; marked "wiper" at top center, top left hole is marked "all" above, "fr/e ihu" below, and "front" to left; top right hole is marked "emer" above, "off" to right, "norm" below, bottom left hole marked "off" above, "air" to right, and "wash" to left; bottom right hole marked "deice" to right, "off" below, and "defog" to left
NSN 5915-01-214-9591
NSN 6650-01-351-9061
NSN 6620-01-184-3193
NSN 6610-01-259-5296
NSN 5935-00-460-4213
NSN 5960-00-962-3345
NSN 5895-00-107-7891
NSN 5965-00-871-2678
NSN 6620-00-773-2931
NSN 5925-01-120-3837
NSN 6135-00-735-8530
NSN 6220-01-510-9765
Last Updated: 10/05/2024