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 5996-01-252-4107
NSN 5920-00-237-4759
NSN 5999-00-078-9890
NSN 5999-01-329-4859
NSN 6620-01-412-0779
NSN 6220-01-390-1608
NSN 5965-01-175-4839
NSN 5835-01-090-2844
NSN 2925-01-338-1687
NSN 6320-01-466-4175
NSN 6130-01-434-3446
NSN 5998-00-520-6391