ACA 3103F-B wall mounting receptacle for rear panel mounting * * * Receptacle with backshell and rear accessory threads Includes wire sealing grommet and grommet sleeve for individual wires Four through mounting holes or optional metric threaded holes M N THREAD K T2 THRU HOLE R T1 THREAD S A D L1 R L S Inches L1 Min. M + .016 - .000 N Thread in Inches Class 2A R .004 S .012 T2 Thru Hole + .004 - .000 1.969 .374 .717 .6250-24 UNEF .717 1.000 .126 1.969 .374 .717 .7500-20 UNEF .906 1.181 .126 .126 1.969 .374 .717 .8750-20 UNEF .969 1.280 .126 .563 .126 2.362 .374 .847 .8750-20 UNEF .969 1.280 .126 1.213 .658 .157 2.362 .374 .908 1.0000-20 UNEF 1.063 1.378 .126 20 1.346 .780 .157 2.362 .374 .908 1.1875-18 UNEF 1.157 1.496 .126 22 1.472 .780 .157 2.362 .374 .908 1.1875-18 UNEF 1.252 1.614 .126 24 1.610 1.000 .157 2.560 .374 .908 1.4375-18 UNEF 1.374 1.752 .146 28 1.839 1.063 .157 2.560 .374 .947 1.4375-18 UNEF 1.563 2.000 .146 32 2.102 1.280 .157 2.560 .433 .947 1.7500-18 UNS 1.752 2.244 .169 36 2.346 1.406 .157 3.150 .465 .947 2.0000-18 UNS 1.937 2.500 .169 Shell Size A + .000 - .006 D Min. K .008 L Max. 10SL .717 .323 .110 14S .969 .437 .126 16S 1.079 .563 16 1.079 18 Millimeters Shell Size A + 0.00 - 0.15 10SL 18.2 14S 24.6 16S 27.4 16 M + 0.4 - 0.0 R 0.1 S 0.3 T1 Metric Thread T2 Thru Hole + 0.1 - 0.0 K 0.2 L Max. L1 Min. 8.2 2.8 50 9.5 18.2 18.2 25.4 M4 3.2 11.1 3.2 50 9.5 18.2 23.0 30.0 M4 3.2 14.3 3.2 50 9.5 18.2 24.6 32.5 M4 3.2 27.4 14.3 3.2 60 9.5 21.5 24.6 32.5 M4 3.2 18 30.8 16.7 4.0 60 9.5 23.05 27.0 35.0 M4 3.2 20 34.2 19.8 4.0 60 9.5 23.05 29.4 38.0 M4 3.2 22 37.4 19.8 4.0 60 9.5 23.05 31.8 41.0 M4 3.2 24 40.9 25.4 4.0 65 9.5 23.05 34.9 44.5 M5 3.7 28 46.7 27.0 4.0 65 9.5 24.05 39.7 50.8 M5 3.7 32 53.4 32.5 4.0 65 11.0 24.05 44.5 57.0 M5 4.3 36 59.6 35.7 4.0 80 11.8 24.05 49.2 63.5 M5 4.3 D Min. All dimensions for reference only. 24