Nut, 5/16"-20, EndYear: 04/30/1982

Used in models:340, 445, 5500-SERIES, 4400, 3500, 540A, 5550-SERIES, 3400, 340A, 535, 4410, 420, 545, 3550, 335, 4140, 4610SU, 515, 4500, 3910V, 5340, 3150, 531, 2100, 3600, 3100, 7600C, 8000-SERIES, 5610, 9200, 6600, 4110V, 334, 2300, 2310, 4600SU, 3000-SERIES, 3910R, 4330, 6600C, 9000-SERIES, 1124, 3910N, SUPER-6, 2910, 8600, 3055, 4200, 7610O, 3610, 7000-SERIES, 2120, 3300, 2610, 2610V, 3610NO, 6710, 4340, 9600, 3910H, 6410, 3610V, 4000-SERIES, 3330, 5190, 530A, 5900, 6610O, 5200, 8200, 230A, 3190, 5000-SERIES, 4100, 5600, 4110O, 4610N, 2110, 5110, 234, 6600O, 3310, 2600, 4190, 4110N, 7200, 4610NO, 5100, 6810, 7410, 4110NO, 4610V, 3120, 7100, 2000-SERIES, 2810