Used to secure drawbar
NSN 5985-01-634-0635
NSN 6130-00-391-5941
NSN 5950-01-542-9358
NSN 6240-01-519-2935
NSN 6610-01-445-1036
NSN 5985-00-470-5398
NSN 5915-01-484-1505
NSN 6650-01-094-6505
NSN 6135-01-205-5965
NSN 6110-01-481-2807
NSN 5975-01-620-7331
NSN 5855-00-079-2370