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 6650-01-275-3112
NSN 5998-01-048-3636
NSN 6240-00-553-8891
NSN 6110-01-444-0763
NSN 6220-01-243-8661
NSN 5960-00-478-7692
NSN 5855-01-076-2741
NSN 6110-01-633-2508
NSN 5998-01-411-6116
NSN 5915-00-523-1968
NSN 5855-01-431-8937
NSN 5945-01-420-5891