Churchill Corporation manufactures a variety of standard hook and handle hardware products used in a wide array of avionics applications.

Handles – Nickel-plated brass (410 series).

Handles – 110 series aluminum, gold chem filmed.

Handles – Finished with black anodize.

Hooks – Finished with black oxide.

Hooks – NAS

C Series HDH Hooks

Series HDH Hooks
Pierced	Blank	A	B	C	Max Loading Per Hooks Lbs.	Material Alloy	Heat Treat	Magnetic Properties	Finish	Military	Commercial
HDH-1	HDH-1B	.562	–	.182	20 & Below	SS 304	–	None	Passivate	MIL-C-172B	ARINC 404/600
HDH-2	HDH-2B	.562	–	.182	Above 20	SS 304	–	None	Passivate	MIL-C-172B	ARINC 404/600
HDH-3	HDH-3B	.562	.375	.182	20 & Below	SS 410	125000 PSI	Yes	Passivate	MIL-C-172B	ARINC 404/600
HDH-3EP	–	.562	.500	.182	20 & Below	SS 410	125000 PSI	Yes	Passivate	–	–
HDH-3SP	–	.687	.265	.156	20 & Below	SS 410	125000 PSI	Yes	Passivate	MIL-C-172B	ARINC 404/600
HDH-3SP	–	1.50	.335	.156	20 & Below	SS 410	125000 PSI	Yes	Passivate	–	–
HDH-4	HDH-4B	.562	.375	.182	Above 20	SS 410	125000 PSI	Yes	Passivate	MIL-C-172B	ARINC 404/600
HDH-4EP	–	.562	.437	.182	Above 20	SS 410	125000 PSI	Yes	Passivate	–	–
HDH-4SP	–	.687	.265	.156	Above 20	SS 410	125000 PSI	Yes	Passivate	–	–

Series HDL Handles

HDL Handles
Cat No.	A	B	C	D	E	Thread	Material	Finish
HDL-2	4-1/2	1-17/32	1/4	4-1/16	4-7/8	–	Alum	Iridite
HDL-4	1-1/2	1-1/8	1/4	1-3/4	–	6-32 X 3/8	Brass	Nickel
HDL-4A	2-13/16	1-1/2	5/16	3	–	6-32 X 9/16	Brass	Nickel
HDL-5	3	1-1/2	5/16	3-5/16	–	8-32 X 9/16	Brass	Nickel
HDL-6	4-1/2	1-1/2	5/16	4-13/16	–	8-32 X 9/16	Brass	Nickel
HDL-7	6-1/2	1-3/4	5/16	6-13/16	–	10-32 X 9/16	Brass	Nickel
HDL-8	9-1/4	2-1/4	5/16	9-9/16	–	10-32 X 9/16	Brass	Nickel