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 4140-00-200-9082
NSN 2925-00-138-5542
NSN 5985-00-031-3993
NSN 6150-01-573-7631
NSN 5990-01-335-7948
NSN 5960-00-007-4179
NSN 6610-01-083-7579
NSN 5999-01-189-7273
NSN 5905-01-487-6534
NSN 6135-01-071-4923
NSN 5935-01-519-9349
NSN 6135-01-264-1311