Used on 2320-01-465-2174; 2320-01-465-2176; 2320-01-465-2180; 2320-01-465-2182; 2320-01-465-2186; 2320-01-465-2189; 2320-01-465-2260. 0.938" hole diameter washer, flat G5; .94X1.75x.13da finish is two coats dacromet 7 320 two coats plus 7 black sealer or equivalent