TM 9-5130-338-12&P Table E-1.  STANDARD TORQUE VALUE GUIDE-Continued. Screw Torque A- Torque B- Torque C Socket Diameter No Dashes 3 Dashes 6 Dashes Size (SAE* Grade No. 2) (SAE Grade No. 5) (SAE Grade No. 8) lb-ft** N•m*** lb-ft N•m lb-ft N•m 3/4-16 UNF 115-125 155.9-169.5 268-278 363.4-376.9 417-427 565.4- 1-1/4 578.9 7/8-9 UNC 165-175 223.7-237.3 385-395 522.0-535.5 595-605 806.7- 1-5/16 820.3 7/8-14 UNF 178-188 241.3-254.9 424-434 574.9-588.4 663-673 898.9- 1-5/16 912.5 1-8UNC 251-261 340.3-353.9 580-590 786.4-799.9 900-910 1220-1233 1-1/2 1-14UNF 255-265 345.7-359.3 585-634 793.1-859.6 943-993 1278-1346 1-1/2 1-1/4-7UNC 451-461 611.5-625.0 1070-1120 1450-1518 1767-1817 2395-2463 1-7/8 1-1/4-12UNF 488-498 661.6-675.2 1211-1261 1641-1709 1963-2013 2661-2729 1-7/8 1-1/2-6UNC 727-737 985.7-999.2 1899-1949 2574-2642 3111-3161 4217-4285 2-1/4 1-1/2-12 UNF 816-826 1106-1119 2144-2194 2906-2974 3506-3556 4753-4821 2-1/4 *Specification of Society of Automotive Engineers  **pound-feet  ***Newton-meters Table E-2.  SELF-LOCKING NUT BREAKAWAY TORQUE VALUES. Thread Size Minimum Breakaway Torque Thread Size Minimum Breakaway Torque Thread Size Minimum Breakaway Torque lb-in.* N•m lb-in. N•m lb-in. N•m 10-32 2.0 0.23 7/16-20 14.0 1.58 3/4-16 50.0 5.65 1/4-28 3.5 0.40 1/2-20 18.0 2.03 7/8-14 70.0 7.91 5/16-24 6.5 0.73 9/16-18 24.0 2.71 1-12 90.0 10.17 3/8-24 9.5 1.07 5/8-18 32.0 3.62 1-1/8-12 117.0 13.22 1-1/4-12 143.0 16.16 *pound-inches NOTE To determine breakaway torque, thread nut onto screw or bolt until at least two threads stick out. Nut shall not make contact with a mating part.  Stop nut Torque necessary to begin turning nut again is breakaway torque.  Do not reuse self-locking nuts that do no meet minimum breakaway torque. E-2