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 6320-00-284-1524
NSN 5999-01-006-2496
NSN 5905-00-825-2039
NSN 5975-01-030-0989
NSN 4140-00-964-8623
NSN 6130-01-148-5255
NSN 6110-01-155-4048
NSN 6150-01-391-5567
NSN 6620-00-148-9613
NSN 6650-01-028-7024
NSN 6135-01-546-4588
NSN 5960-01-426-4242