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 4140-01-110-1980
NSN 5996-00-570-9695
NSN 5925-01-067-8301
NSN 5905-01-198-7903
NSN 7035-01-145-5059
NSN 5910-00-597-4658
NSN 5895-01-259-0253
NSN 6130-00-216-7376
NSN 6145-01-406-3387
NSN 4140-00-894-1793
NSN 6620-01-488-9547
NSN 5910-01-334-9759