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 5910-01-420-9773
NSN 2925-00-400-2760
NSN 5835-01-123-8305
NSN 5998-01-555-6406
NSN 5835-00-461-9984
NSN 6320-01-397-0399
NSN 5965-01-306-6527
NSN 5965-01-382-9081
NSN 6240-01-426-5581
NSN 6620-01-392-7191
NSN 6220-00-301-2098
NSN 6240-01-598-8177