H38 - Twelve Point Nut Reduced Wrench On Howmet Aerospace

Howmet Fastening Systems
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THREAD: AS8879
MATERIAL: Waspaloy per AMS 5709 (UNS N07001).
FINISH: Silver plate per AMS 2411.
PERFORMANCE: AS 7253 when tested with bolts having .003 reduced thread diameters
APPLICATIONS: Temperature rating: 1400°F
NOTE: "C" and "W" dimensions apply before forming self-locking action.

H38 Wrenchable Twelve Point Nut - Reduced Wrench

Unit of Measure

Item #	A - MAX	B - MIN	C - MIN	H - MAX	S - MIN	V - REF	W	Axial Tensile Strength (LBS. MIN)	Locking Torque (LBF-IN)	Approx. Weight (LBS/100)	Thread	Part Family

H38-08	N/A 0.284	N/A 0.264	N/A 0.243	N/A 0.250	N/A 0.070	N/A 0.025	N/A 0.221 in0.221-0.212	N/A 2153	N/A 1.5-11	N/A 0.160	N/A 0.1640-32 UNJC-3B	N/A H38
H38-4	N/A 0.440	N/A 0.410	N/A 0.351	N/A 0.328	N/A 0.095	N/A 0.050	N/A 0.315 in0.315-0.306	N/A 5868	N/A 3.5-30	N/A 0.410	N/A 0.2500-28 UNJF-3B	N/A H38
H38-5	N/A 0.525	N/A 0.495	N/A 0.421	N/A 0.360	N/A 0.110	N/A 0.060	N/A 0.377 in0.377-0.362	N/A 9432	N/A 6.5-60	N/A 0.690	N/A 0.3125-24 UNJF-3B	N/A H38
H38-12	N/A 1.252	N/A 1.200	N/A 1.059	N/A 0.796	N/A 0.310	N/A 0.140	N/A 0.943 in0.943-0.928	N/A 63236	N/A 50-400	N/A 8.600	N/A 0.7500-16 UNJF-3B	N/A H38

Unit of Measure