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 6240-01-120-3533
NSN 2925-01-257-6225
NSN 5960-00-113-9963
NSN 6110-01-530-9514
NSN 5920-01-177-1278
NSN 4140-00-100-4563
NSN 2925-01-519-3221
NSN 5920-00-650-6562
NSN 6240-01-227-4178
NSN 5925-01-542-6026
NSN 6320-00-521-9350
NSN 6130-01-564-6324