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 6620-01-448-0572
NSN 6105-01-167-0446
NSN 4140-00-578-7726
NSN 6105-01-508-1601
NSN 5925-00-529-0441
NSN 6150-00-983-3176
NSN 6110-01-429-7851
NSN 5965-01-398-8871
NSN 5996-00-936-6928
NSN 5950-01-464-1496
NSN 5990-01-134-7756
NSN 6685-00-118-3625