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 5975-01-394-5954
NSN 5985-00-712-8452
NSN 5920-01-024-5956
NSN 5990-01-116-2181
NSN 6240-00-170-5302
NSN 6645-00-243-4921
NSN 6320-00-186-6452
NSN 6150-00-224-4887
NSN 6130-00-561-3222
NSN 6145-01-526-9217
NSN 5985-00-081-9142
NSN 6220-01-501-4476