Material is grade 63 alloy steel.
A metal hook with a relatively wide throat to permit chain or line reeve through and tighten when load is applied.
NSN 6645-00-279-1777
NSN 4140-00-249-5603
NSN 5905-00-415-1912
NSN 7035-01-191-2822
NSN 6110-01-435-7583
NSN 6135-01-387-0754
NSN 6645-01-408-0011
NSN 6240-00-844-1758
NSN 6240-01-240-7529
NSN 6610-01-417-6336
NSN 6130-01-445-9212
NSN 5910-01-064-9113