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 6240-00-102-4003
NSN 5999-01-512-7688
NSN 2925-01-097-0903
NSN 6105-01-502-8831
NSN 5835-01-132-5894
NSN 6240-01-496-8527
NSN 5920-01-547-0716
NSN 6220-01-600-1362
NSN 5950-01-123-7641
NSN 5905-01-070-3544
NSN 5920-01-397-5598
NSN 5945-01-634-0588