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 6685-00-858-0763
NSN 5950-00-269-2698
NSN 6220-00-482-1984
NSN 5920-01-194-1107
NSN 5996-01-557-5337
NSN 5855-01-006-1827
NSN 6105-01-110-7703
NSN 6130-01-010-3254
NSN 5925-01-527-1376
NSN 6220-01-415-3115
NSN 2925-01-656-0392
NSN 6320-01-446-6775