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 5999-01-535-3441
NSN 6645-01-450-4849
NSN 6220-00-104-8129
NSN 4140-01-377-1254
NSN 6240-01-340-7591
NSN 6320-00-070-4544
NSN 6135-01-205-5965
NSN 5965-00-590-7995
NSN 5975-01-420-6902
NSN 5945-01-272-1400
NSN 5915-01-469-3400
NSN 5960-00-152-9488