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 4140-00-215-8593
NSN 5965-01-591-4486
NSN 4140-01-331-4802
NSN 6610-01-227-1692
NSN 5950-01-528-0729
NSN 5925-00-345-6494
NSN 5920-01-252-0193
NSN 5996-00-205-2933
NSN 5975-01-410-7647
NSN 5960-00-924-1944
NSN 5930-01-557-1420
NSN 6135-01-529-0122