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 5999-01-200-4163
NSN 6105-00-161-1834
NSN 6610-01-390-6925
NSN 6220-01-406-5891
NSN 5905-00-798-3822
NSN 6110-01-147-2487
NSN 7035-00-997-6212
NSN 5996-01-029-5497
NSN 6620-01-525-8648
NSN 6220-01-319-1166
NSN 6110-01-364-7168
NSN 6645-00-832-1609