THE THREAD LOCK. METERS) MINIMUM, PLUS THE TORQUE THAT IS NECESSARY TO TURN THE SCREW THROUGH SLOT (NO EXTERNAL WRENCH SHAPE). TIGHTEN TO 22 POUND-INCHES (2.486 NEWTON-THAT IS LARGER THAN 0.164 INCH (4.166 MILLIMETERS) AND WITH ONLY A SCREWDRIVER *THE PROCEDURE THAT FOLLOWS IS PERMITTED FOR THE SCREWS WITH A THREAD DIMENSION
L-64892
Torque for the Self-Locking Nuts, Bolts, and Heli-Coils
Figure 203
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K28949
H. 2) Loosen the part. 3) Tighten the part to the torque limit.Cone-Seat Connectors (Fig. 206)
(1) S 912-043-N00Use the torque limits in the Figure 208 and Figure 209 for the cone-seat connectors (37 degree) without a gasket.
I. S 912-044-N00 (2) Do not tighten more than the torque limits to stop leakage. (a) Disassemble and examine the fitting for the nicks, burrs, and dirt. (b) If it is necessary, use a new part.Jamnuts (Fig. 207)
(1) S 912-045-N00Use the torque limits in the Figure 210 and Figure 211 for the steel and aluminum jamnuts (locknuts). (a) The tube and hose connections use these jamnuts.
J. S 912-046-N00 (2) Install and align the tube or the hose on the elbow fitting. (a) Tighten the jumnuts.Asbestos-Filled Crush-Gaskets (Fig. 212)
THREAD DIMENSION INCH TORQUE, POUND-INCHES TORQUE NEWTON-METERS
OIL LUBRICATED MIN MAX ANTISEIZE LUBRICATED MIN MAX OIL LUBRICATED MIN MAX LUBRICATED ANTISEIZE MIN MAX
0.250-28 15-20 10-13 1.695-2.260 1.130-1.469
0.3125-24 35-40 23-26 3.954-4.519 2.599-2.938
0.375-24 40-50 26-33 4.519-5.649 2.938-3.728
0.4375-20 65-75 42-49 7.344-8.474 4.745-5.536
0.500-20 90-100 58-65 10.169-11.298 6.553-7.344
0.5625-18 110-120 70-80 12.428-13.558 7.909-9.039
0.625-18 150-170 95-110 16.948-19.207 10.734-12.428
0.750-16 200-225 130-145 22.597-25.422 14.688-16.383
0.8125-16 225-250 145-160 25.422-28.246 16.383-18.078
0.875-14 250-275 160-175 28.246-31.071 18.078-19.772
1.000-12 275-300 175-190 31.071-33.895 19.772-21.467
1.0625-12 375-425 240-270 42.369-48.019 27.116-30.506
L-90035
Hexhead Straight-Thread Fittings and Plugs Figure 204
K28971
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DIA INCH TUBE (mm) DIMENSION THREAD FOR 75 DUROMETER A 7267,7273, or 7276 PACKINGS: AMS 7260, FOR 77 DUROMETER C (100 DUROMETER A) PACKINGS: PWA401
TORQUE, POUND-INCHES TORQUE, NEWTON-METERS TORQUE, POUND-INCHES TORQUE, NEWTON-METERS
0.125
(3.175) 0.4375-24 25-30 2.825-3.390 55-60 6.214-6.779
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