TM   9-2350-238-34-2 TORQUE   VALUE   GUIDE   (CONT) t TORQUE TORQUE TORQUE SCREW NO  DASHES 3   DASHES 6   DASHES SOCKET DIAMETER (SAE  GRADE  2) (SAE  GRADE  5) (SAE  GRADE  8) SIZE 7/8–14    UNF 178–188 ft-lb 424–434    ft-lb 663–673   ft-lb 1-5/16 (241–255 N-m) (575–588    N-m) (899–912    N-m) 1–8   UNC 251–261 ft-lb 580–590   ft-lb 900–910   ft-lb 1-1/2 (340–354    N-m) (786–800    N-m) (1220–1234    N-m) 1–14   UNF 255–265   ft-lb 585–634   ft-lb 943–993   ft-lb 1-1/2 (346–359    N-m) (793–860    N-m) (1279–1346    N-m) 1-1/4–7   UNC 451–461 ft-lb 1070–1120   ft-lb 1767–1817   ft-lb 1-7/8 (611–625    N-m) (1451–1518    N-m) (2396–2463    N-m) 1-1/4–12   UNF 488–498    ft-lb 1211–1261   ft-lb 1963–2013   ft-lb 1-7/8 (662–675    N-m) 1-1/2–6   UNC (1642–1710 N-m) 727–737   ft-lb (2661–2729 N-m) 1899–1949 ft-lb 3111–3161    ft-lb 2-1/4 (986–999    N-m) (2575–2642    N-m) (4218–4286    N-m) 1-1/2–12   UNF 816–826    ft-lb 2144–2194    ft-lb 3506–3556    ft-lb 2-1/4 (1106 – 1120    N - m) (2907–2975    N-m) (4753–4821    N-m) D-2