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 5905-01-577-0795
NSN 5920-00-123-9342
NSN 6145-01-429-8529
NSN 6145-01-533-2876
NSN 4140-01-460-4332
NSN 2925-00-373-8837
NSN 6620-01-509-8597
NSN 6320-00-194-4252
NSN 6685-00-906-6434
NSN 5925-00-549-9824
NSN 6685-00-229-7350
NSN 2925-01-455-2558