Circular Connectors

mm in. mm in. BSR18-16-AC 18 16 29.0 1.14 1"-20 UNEF 2B 7/8"-20 UNEF 2A 50.0 1.97 BSR24-18-AC 24 18 40.0 1.57 1-3/8"-18 UNEF 2B 1"-20 UNEF 2A 40.0 1.57 BSR32-18-AC 32 18 52.5 2.07 1-7/8"-16 UN 2B 1"-20 UNEF 2A 56.0 2.20 BSR36-18-AC 36 18 60.5 2.38 2-1/16"-16 UN 2B 1"-20 UNEF 2A 60.0 2.36 BSR40-32-AC 40 32 65.0 2.56 2-5/16"-16 UN 2B 1-3/4"-18 UNS 2A 52.0 2.05 BSR40-36-AC 40 36 66.0 2.60 2-5/16"-16 UN 2B 2"-18 UNS 2A 65.0 2.56 Order Number Size N2 N1 Thread (Inches) D ±0.5mm L ±0.5mm N2 Thread (Inches) Size N1 Reducer Backshell L N1 N2 D Enlarger Backshell N1 N2 L D THREAD NOMENCLATURE UN = Basic Unified National thread series UNS = Special Unified National thread series UNEF = Unified National Extra Fine thread series mm in. mm in. BSE18-24-AC 18 24 32.0 1.26 1"-20 UNEF 2B 1-7/16"-18 UNEF 2A 33.5 1.32 BSE24-32-AC 24 32 40.0 1.57 1-3/8"-18 UNEF 2B 1-3/4"-18 UNEF 2A 42.0 1.65 BSE32-36-AC 32 36 56.0 2.20 1-7/8"-16 UN 2B 2"-18 UNS 2A 35.0 1.38 BSE36-40-AC 36 40 60.0 2.36 2-1/16"-16 UN 2B 1-1/4"-16 UN 2A 35.0 1.38 Order Number Size N2 N1 Thread (Inches) D ±0.5mm L ±0.5mm N2 Thread (Inches) Size N1 THREAD NOMENCLATURE UN = Basic Unified National thread series UNS = Special Unified National thread series UNEF = Unified National Extra Fine thread series BACKSHELLS • Reducer Backshell • Enlarger Backshell I n t e r n a t i o n a l 30 Shell material: A - Aluminum Alloy B - Copper Alloy C - Stainless Steel Surface treatment: A - Black Zinc-Cobalt C - Black Polyurethane Varnished E - Electro less Nickel Surface Code A* C* E Material Surface treatment zinc-cobalt epoxy- polyurethan electroless nickel Type of surface passivated varnished – Surface colour black black blank Thickness of surface treatment 12 –15 µm 13 –16 µm 12 –15 µm Conformity of RoHS yes yes yes Corrosion resistance 1) 200 h 500 h 48 h 4) Operating temperature -55 to +90°C -55 to +125°C -55 to +125°C Temperature shock 2) -55 to +125°C -55 to +125°C -55 to +125°C Electical conductivity 3) < 0.5 mΩ non conductive < 0.5 mΩ aluminiumalloy 1) 2) Verification acc. to MIL 1344A Test 1001.1 Verification acc. to MIL 202F Method 107G 3) Verification acc. to MIL 1344A Test 3007 (Electrical conductivity: Screen-Plug-Receptacle-Panel) 4) Only for special Aluminum-Alloy with surface free of pores * According to GIMOTA preferences Mechanical Properties

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