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 5925-01-473-9423
NSN 5930-01-312-2681
NSN 6110-01-483-0639
NSN 6220-01-593-5940
NSN 6645-01-611-4882
NSN 6320-01-364-1840
NSN 5835-01-351-8429
NSN 5999-00-271-1681
NSN 2925-00-441-8252
NSN 6145-01-489-1003
NSN 5925-01-602-9229
NSN 6610-00-186-9180