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 4140-01-535-2691
NSN 6320-01-019-1028
NSN 5920-01-236-6780
NSN 5996-01-152-2948
NSN 5965-01-442-9749
NSN 5930-01-652-4318
NSN 5985-01-025-0372
NSN 5935-00-865-2147
NSN 5950-01-589-0085
NSN 5996-01-316-9090
NSN 5985-00-221-1563
NSN 6240-01-474-5446