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 5905-01-383-0302
NSN 6240-01-389-0552
NSN 5945-00-608-4421
NSN 6130-00-700-1190
NSN 5996-01-273-0884
NSN 5855-01-468-4996
NSN 5930-01-607-7898
NSN 6110-00-852-8003
NSN 5965-00-055-8013
NSN 5990-00-942-6543
NSN 6610-01-159-0438
NSN 6645-00-646-6631