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 6320-01-201-2776
NSN 6110-00-913-1220
NSN 6135-00-162-2437
NSN 6610-01-180-7558
NSN 6240-00-006-0350
NSN 5985-01-532-3749
NSN 6240-01-320-1308
NSN 5905-01-354-5132
NSN 4140-00-657-4964
NSN 6650-01-078-8179
NSN 5985-00-494-8235
NSN 5945-01-596-9540