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 5945-01-500-2140
NSN 6110-01-450-7031
NSN 5835-00-493-5105
NSN 6145-01-444-2423
NSN 5920-00-100-7219
NSN 6320-01-180-9908
NSN 4140-00-226-9807
NSN 6130-00-263-1827
NSN 5996-00-753-1599
NSN 5925-01-013-8329
NSN 7035-01-521-6177
NSN 5910-01-555-8811