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 6610-01-411-8770
NSN 5905-01-347-3175
NSN 6320-01-512-2031
NSN 6135-00-491-9864
NSN 6220-01-634-0660
NSN 6620-00-421-7509
NSN 5925-01-634-0664
NSN 5998-00-761-5549
NSN 5920-01-100-3018
NSN 6110-00-501-4668
NSN 5930-01-552-7821
NSN 5855-00-327-2112