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 6240-01-373-2688
NSN 2925-01-488-2966
NSN 6130-01-435-2242
NSN 2925-00-371-2285
NSN 4140-01-587-5770
NSN 5895-01-096-5746
NSN 6610-01-407-8144
NSN 5998-01-550-9662
NSN 5998-01-596-3590
NSN 6145-00-130-8078
NSN 5990-01-640-7795
NSN 6150-01-344-1668