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 6110-01-508-6563
NSN 4140-01-456-5685
NSN 2925-00-555-4578
NSN 5930-01-581-9245
NSN 5855-00-930-9478
NSN 6150-00-619-8574
NSN 6645-00-429-0172
NSN 6220-00-358-7347
NSN 6220-00-543-4416
NSN 5990-01-320-1412
NSN 6645-00-420-5072
NSN 6650-00-283-0978