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 6220-00-861-4131
NSN 6110-01-431-6906
NSN 5920-01-050-3341
NSN 6145-01-104-5084
NSN 5998-00-280-7270
NSN 4140-00-103-0065
NSN 5985-01-462-1845
NSN 5905-00-513-7167
NSN 5855-00-973-5717
NSN 6145-00-033-2997
NSN 5925-00-397-8258
NSN 5950-01-452-0730