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 4140-01-540-8003
NSN 4140-00-168-1920
NSN 5855-00-411-8688
NSN 5895-01-332-7532
NSN 5835-00-975-6538
NSN 5950-00-964-4019
NSN 5985-01-243-1872
NSN 5910-01-608-7586
NSN 6110-01-122-2411
NSN 5996-01-460-7650
NSN 6135-00-248-4102
NSN 4140-01-259-5828