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  • H29251 Wrenchable Twelve Point Nut - Shear Nut
THREAD: AS8879
MATERIAL: 8740 alloy steel per AMS 6322 (UNS G87400). Heat treat - Rc 39-44.
FINISH:
  • H29251-(*) Cadmium plate per AMS-QQ-P-416, Type II, Class 3 and Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
  • H29251-(*)CW Cadmium plate per AMS-QQ-P-416, Type II, Class 3 and carbowax lubricant.
  • H29251E(*) Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
  • H29251X(*) Cadmium plate per AMS-QQ-P-416, Type II, Class 3.
PERFORMANCE: NASM25027 except as follows:
  • Axial tensile strength as tabulated.
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Item #

C - MIN

D - MAX

H - MAX

S - MIN

W

Axial Tensile Strength (LBS. MIN)

Approx. Weight (LBS/100)

Thread

Part Family

N/A 0.419 N/A 0.220 N/A 0.146 N/A 0.028 N/A 0.376 in0.376-0.367 N/A 3500 N/A 0.230 N/A 0.1900-32 UNJF-3B N/A H29251
N/A 0.846 N/A 0.530 N/A 0.389 N/A 0.129 N/A 0.752 in0.752-0.741 N/A 26600 N/A 2.360 N/A 0.5000-20 UNJF-3B N/A H29251
N/A 1.059 N/A 0.660 N/A 0.494 N/A 0.156 N/A 0.940 in0.940-0.928 N/A 42200 N/A 4.320 N/A 0.6250-18 UNJF-3B N/A H29251
N/A 1.414 N/A 0.910 N/A 0.712 N/A 0.337 N/A 1.252 in1.252-1.239 N/A 83600 N/A 11.800 N/A 0.8750-14 UNJF-3B N/A H29251
N/A 1.628 N/A 1.031 N/A 0.824 N/A 0.394 N/A 1.440 in1.440-1.427 N/A 109000 N/A 17.800 N/A 1.0000-12 UNJF-3B N/A H29251
N/A 0.419 N/A 0.220 N/A 0.146 N/A 0.028 N/A 0.376 in0.376-0.367 N/A 3500 N/A 0.230 N/A 0.1900-32 UNJF-3B N/A H29251
N/A 1.414 N/A 0.910 N/A 0.712 N/A 0.337 N/A 1.252 in1.252-1.239 N/A 83600 N/A 11.800 N/A 0.8750-14 UNJF-3B N/A H29251
N/A 1.628 N/A 1.031 N/A 0.824 N/A 0.394 N/A 1.440 in1.440-1.427 N/A 109000 N/A 17.800 N/A 1.0000-12 UNJF-3B N/A H29251
N/A 0.561 N/A 0.332 N/A 0.240 N/A 0.075 N/A 0.502 in0.502-0.492 N/A 9920 N/A 0.650 N/A 0.3125-24 UNJF-3B N/A H29251
N/A 1.414 N/A 0.910 N/A 0.712 N/A 0.337 N/A 1.252 in1.252-1.239 N/A 83600 N/A 11.800 N/A 0.8750-14 UNJF-3B N/A H29251
N/A 1.628 N/A 1.031 N/A 0.824 N/A 0.394 N/A 1.440 in1.440-1.427 N/A 109000 N/A 17.800 N/A 1.0000-12 UNJF-3B N/A H29251
N/A 0.419 N/A 0.220 N/A 0.146 N/A 0.028 N/A 0.376 in0.376-0.367 N/A 3500 N/A 0.230 N/A 0.1900-32 UNJF-3B N/A H29251
N/A 0.846 N/A 0.530 N/A 0.389 N/A 0.129 N/A 0.752 in0.752-0.741 N/A 26600 N/A 2.360 N/A 0.5000-20 UNJF-3B N/A H29251
N/A 0.987 N/A 0.597 N/A 0.442 N/A 0.137 N/A 0.877 in0.877-0.865 N/A 33700 N/A 2.980 N/A 0.5625-18 UNJF-3B N/A H29251
N/A 1.059 N/A 0.660 N/A 0.494 N/A 0.156 N/A 0.940 in0.940-0.928 N/A 42200 N/A 4.320 N/A 0.6250-18 UNJF-3B N/A H29251
N/A 1.200 N/A 0.781 N/A 0.603 N/A 0.290 N/A 1.064 in1.064-1.052 N/A 61300 N/A 7.660 N/A 0.7500-16 UNJF-3B N/A H29251
N/A 1.414 N/A 0.910 N/A 0.712 N/A 0.337 N/A 1.252 in1.252-1.239 N/A 83600 N/A 11.800 N/A 0.8750-14 UNJF-3B N/A H29251
N/A 1.628 N/A 1.031 N/A 0.824 N/A 0.394 N/A 1.440 in1.440-1.427 N/A 109000 N/A 17.800 N/A 1.0000-12 UNJF-3B N/A H29251
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