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 4140-01-543-8282
NSN 5910-00-494-3407
NSN 5920-01-500-5858
NSN 5999-01-555-6714
NSN 6240-01-304-6355
NSN 5925-01-146-5528
NSN 6610-01-444-0953
NSN 5920-01-395-7586
NSN 5999-01-183-9833
NSN 6650-01-116-0752
NSN 4140-01-426-2109
NSN 6145-01-377-4382