NAS1581

www.DataSheet4U.com NAS1581 100 DEG. FLUSH REDUCED HEAD BOLT FIRST DASH NO. -3 NAS1581 THREAD UNJF-3A .1900-32 "A" DIA "B" DIA MAX MIN .3047 .2570 "D" DIA .1895 .1885 .2495 .2485 .3120 .3110 .3745 .3735 .4370 .4360 .4995 .4985 .5615 .5605 .6240 .6230 100 DEG. FLUSH REDUCED HEAD BOLT .1895 .1890 .2495 .2490 .3120 .3115 .3745 .3740 .4370 .4365 .4995 .4990 .5615 .5610 .6240 .6235 MATERIAL : ALLOY STEEL PER NAS498 HEAT TREATMENT : 160,000 - 180, PSI UTS - PER MIL-H-6875 FINISH : Cadmium plating per qq-p-416, TYPE 11 CLASS 2 OR TYPE 1 CLASS 2 CODE: DASH NUMBER DESIGNATES GRIP & LENGTH (SEE CHART BELOW) "W" AFTER DASH NO. DESIGNATES TYPE 1 PLATING. "D'" AFTER DASH NO. INDICATES DRILLED SHANK. EXAMPLE: NAS1204-8, .250 DIA BOLT .500 GRIP TYPE 11 PLATING. NAS1205-10 .3125 DIA BOLT .625 GRIP TYPE 2 PLATING. NAS1205-10W .3125 DIA BOLT .625 GRIP TYPE 1 PLATING. NAS1205-10D .3125 DIA BOLT .625 GRIP DRILLED SHANK TYPE 11 PLATING. PLATED UNPLATED -4 .2500-28 .3988 .3504 B A D -5 .3125-24 .4787 .4289 -6 .3750-24 .5662 .5149 -7B .4375-20 .6741 .6047 -8 .5000-20 .7611 .6901 -9 .5625-18 .8449 .7655 -10 .6250-18 .9329 .8518 USE TABLES FOR DIAMETERS AND GRIP / OVERALL LENGTHS WHEN ORDERING GRIP DASH NO. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 36 38 40 42 44 46 48 LENGTH ± .015 THREAD UNJF-3A NAS1581 NAS1581 -3 -4 0.125 0.187 0.250 0.312 0..375 0.438 0.500 0.562 0.625 0.688 0.750 0.812 0.875 0.938 1.000 1.062 1.1...