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 5990-01-507-7495
NSN 5965-01-245-6585
NSN 6145-01-049-9292
NSN 2925-00-838-7164
NSN 6320-00-857-4073
NSN 5975-01-357-3671
NSN 6610-00-104-0552
NSN 5925-01-211-6660
NSN 7035-00-572-7086
NSN 2925-01-371-6853
NSN 5999-01-030-9427
NSN 5985-01-421-2993