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  • H29249 Wrenchable Twelve Point Nut - 260000 PSI
THREAD: AS8879
MATERIAL: 8740 alloy steel per AMS 6322 (UNS G87400) or alloy steel per AMS 6304 (UNS K14675). Heat treat - Rc 40-44.
FINISH: Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
PERFORMANCE: MASM25027 except as follows:
  • Axial tensile strength as tabulated.
NOTES: "C" and "W" dimensions apply before forming self-locking feature.
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Item #

A - MAX

B - MIN

C - MIN

D - MAX

H - MAX

V - MIN

W

Axial Tensile Strength (LBS. MIN)

Approx. Weight (LBS/100)

Thread

Part Family

H29249-3 N/A 0.369 N/A 0.329 N/A 0.277 N/A 0.220 N/A 0.265 N/A 0.016 N/A 0.252 in0.252-0.243 N/A 5640 N/A 0.260 N/A 0.1900-32 UNJF-3B N/A H29249
H29249-9 N/A 1.055 N/A 1.005 N/A 0.846 N/A 0.608 N/A 0.760 N/A 0.055 N/A 0.755 in0.755-0.741 N/A 56600 N/A 6.270 N/A 0.5625-18 UNJF-3B N/A H29249
H29249-12 N/A 1.425 N/A 1.375 N/A 1.059 N/A 0.796 N/A 1.015 N/A 0.068 N/A 0.944 in0.944-0.928 N/A 103000 N/A 12.100 N/A 0.7500-16 UNJF-3B N/A H29249
H29249-14 N/A 1.645 N/A 1.595 N/A 1.271 N/A 0.921 N/A 1.185 N/A 0.072 N/A 1.132 in1.132-1.115 N/A 140000 N/A 22.450 N/A 0.8750-14 UNJF-3B N/A H29249
H29249-1612 N/A 1.880 N/A 1.830 N/A 1.414 N/A 1.046 N/A 1.395 N/A 0.117 N/A 1.257 in1.257-1.239 N/A 183000 N/A 30.760 N/A 1.0000-12 UNJF-3B N/A H29249
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