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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6150-01-568-8443
NSN 4140-01-646-7141
NSN 5990-01-259-7138
NSN 5950-01-450-5617
NSN 6110-01-567-3320
NSN 6685-01-589-2675
NSN 6645-01-338-9152
NSN 5985-01-278-4509
NSN 6220-00-827-0227
NSN 5965-01-552-1360
NSN 7035-01-502-9967
NSN 5985-01-364-0040