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 5915-00-212-7970
NSN 6110-01-494-5725
NSN 4140-00-499-8330
NSN 6145-00-225-8693
NSN 6150-01-340-2231
NSN 6320-01-033-6624
NSN 5855-01-600-0003
NSN 5975-01-359-2679
NSN 5950-01-023-7692
NSN 6130-01-289-8051
NSN 5895-00-938-8473
NSN 5965-01-386-2988