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 6145-00-110-9410
NSN 6130-00-661-0197
NSN 5925-01-469-0694
NSN 5925-00-433-1966
NSN 6610-01-591-4374
NSN 5855-01-254-1571
NSN 5910-01-495-1924
NSN 5905-01-416-1507
NSN 5999-01-262-9162
NSN 5910-01-440-9360
NSN 6650-01-508-7817
NSN 5950-01-333-3283