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 5910-01-144-0439
NSN 4140-00-516-4820
NSN 5990-01-458-9576
NSN 2925-01-559-5733
NSN 5985-01-523-4258
NSN 5999-01-013-2581
NSN 5855-01-243-2355
NSN 6610-01-207-0045
NSN 6130-01-122-0690
NSN 5945-01-610-6748
NSN 5998-01-078-7482
NSN 2925-01-266-5229