H29249 - Twelve Point Nut 260 000 PSI On Howmet Aerospace

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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