A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6150-01-579-3099
NSN 6220-01-393-4308
NSN 6645-01-111-3758
NSN 5985-00-361-8863
NSN 6240-01-243-4106
NSN 6645-00-086-9346
NSN 5975-01-507-7556
NSN 5925-01-093-2484
NSN 5998-01-135-1530
NSN 5985-00-481-1030
NSN 5999-01-428-4012
NSN 6150-01-575-8558