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383Bwww.southco.com/STACTUAL SIZE10 ± 0.1 (.394 ± .004)4 x Ø 4.2±.1(.165±.004) 11 ± 0.1(.433 ± .004)13±0.1(.512±.004)A ±0.1 (±.004) 16±0.1(.630±.004)AxialRadial• Smooth, zero backlash operation• Space efficient design provides high torque in minimum space• Constant torque, never needs adjustingMaterial and FinishZinc alloy and steel, naturalPerformance DetailsMaximum static radial load:2300 N (517 lbf)Maximum static axial load:2400 N (540 lbf)Cycle performance:Type A/B: 30,000 cycles within ±20% of static torque specificationType T/W: 50,000 cycles within ±20% of static torque specificationInstallation Notes1. Install hinge using M4 (No.8) socket head cap screw.2. For proper function, assemblymust include a pair of hinges,mounted in opposing orientations.ST-10A2 HingePosition control · Constant torquePart NumberSee tableLow Profile Adapter Heavy Duty Adapter Offset Adapter Static Torque Nm (in.lbf) Type A Type B Type T Type WMount HardwareM4 or No. 8 Forward ReverseSymmetricTorqueST-10A2-135SA-33 ST-10A2-135SB-33 ST-10A2-135ST-33 ST-10A2-135SW-33 1.36 (12)ST-10A2-170SA-33 ST-10A2-170SB-33 ST-10A2-170ST-33 ST-10A2-170SW-33 1.70 (15)ST-10A2-200SA-33 ST-10A2-200SB-33 ST-10A2-200ST-33 ST-10A2-200SW-33 2.04 (18)ST-10A2-240SA-33 ST-10A2-240SB-33 ST-10A2-240ST-33 ST-10A2-240SW-33 2.38 (21)- - ST-10A2-270ST-33 ST-10A2-270SW-33 2.72 (24)- ST-10A2-300ST-33 ST-10A2-300SW-33 3.06 (27)Asymmetric TorqueST-10A2-115FA-33 ST-10A2-115FB-33 ST-10A2-115FT-33 ST-10A2-115FW-33 1.14 (10.1) 0.90 (8)ST-10A2-150FA-33 ST-10A2-150FB-33 ST-10A2-150FT-33 ST-10A2-150FW-33 1.52 (13.5) 1.20 (10.6)ST-10A2-190FA-33 ST-10A2-190FB-33 ST-10A2-190FT-33 ST-10A2-190FW-33 1.90 (16.8) 1.50 (13.3)ST-10A2-225FA-33 ST-10A2-225FB-33 ST-10A2-225FT-33 ST-10A2-225FW-33 2.28 (20.2) 1.80 (15.9)- - ST-10A2-270FT-33 ST-10A2-270FW-33 2.66 (23.5) 2.10 (18.6)- - ST-10A2-300FT-33 ST-10A2-300FW-33 3.04 (26.9) 2.40 (21.2)ST-10A2-115RA-33 ST-10A2-115RB-33 ST-10A2-115RT-33 ST-10A2-115RW-33 0.90 (8) 1.14 (10.1)ST-10A2-150RA-33 ST-10A2-150RB-33 ST-10A2-150RT-33 ST-10A2-150RW-33 1.20 (10.6) 1.52 (13.5)ST-10A2-190RA-33 ST-10A2-190RB-33 ST-10A2-190RT-33 ST-10A2-190RW-33 1.50 (13.3) 1.90 (16.8)ST-10A2-225RA-33 ST-10A2-225RB-33 ST-10A2-225RT-33 ST-10A2-225RW-33 1.80 (15.9) 2.28 (20.2)- - ST-10A2-270RT-33 ST-10A2-270RW-33 2.10 (18.6) 2.66 (23.5)- - ST-10A2-300RT-33 ST-10A2-300RW-33 2.40 (21.2) 3.04 (26.9)Dimension A 15.8 (.63) 13.5 (.53)Dimensions in millimeters (inch) unless otherwise stated