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 5910-01-392-1986
NSN 6645-00-871-1187
NSN 6130-01-340-5299
NSN 5945-01-495-5520
NSN 6240-00-509-2485
NSN 5990-01-174-6851
NSN 5920-00-949-7321
NSN 6110-01-388-0818
NSN 5910-00-197-8920
NSN 6150-01-364-0331
NSN 6150-01-465-0485
NSN 4140-01-347-0060