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 5905-00-447-0292
NSN 5935-00-729-5559
NSN 6620-01-500-9847
NSN 6650-01-568-0299
NSN 6150-01-438-4392
NSN 4140-01-378-6386
NSN 6650-00-299-9681
NSN 5965-01-276-1070
NSN 5920-01-442-6477
NSN 6610-00-045-8132
NSN 5895-01-061-6102
NSN 5999-01-526-5519