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 5950-01-345-2968
NSN 5998-00-951-1867
NSN 6135-01-167-7604
NSN 5925-00-464-0668
NSN 6130-01-072-7908
NSN 5998-00-997-7937
NSN 6610-01-249-3243
NSN 4140-01-259-5828
NSN 4140-00-021-4021
NSN 6645-01-349-6632
NSN 6150-01-421-4028
NSN 5975-00-740-5905