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 6620-01-177-3779
NSN 6645-01-414-8806
NSN 5985-01-611-0375
NSN 5915-00-005-8827
NSN 5930-01-529-9827
NSN 6650-01-308-5169
NSN 5996-01-301-4855
NSN 5975-00-104-9989
NSN 6650-01-386-1300
NSN 6135-01-462-4442
NSN 7035-01-267-4836
NSN 5920-01-634-0250