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 4140-01-442-3063
NSN 6135-00-726-4142
NSN 5999-00-775-1867
NSN 2925-01-285-7163
NSN 6320-01-429-9871
NSN 6150-01-531-3966
NSN 6650-01-391-7527
NSN 5835-01-281-7281
NSN 6135-00-613-1068
NSN 6240-01-267-0345
NSN 5835-01-227-2318
NSN 6685-00-248-6990