Heavy duty
NSN 5920-00-724-3815
NSN 5895-01-350-1892
NSN 5990-00-373-9787
NSN 5965-01-398-0779
NSN 6645-01-180-6219
NSN 5985-00-902-7954
NSN 6145-00-240-4532
NSN 5925-01-390-8256
NSN 6685-01-536-8616
NSN 4140-01-245-7920
NSN 6105-01-612-4475
NSN 5998-01-268-6775