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 6130-00-859-0596
NSN 4140-01-647-0707
NSN 5915-01-534-9770
NSN 4140-01-582-7317
NSN 6240-01-516-5589
NSN 2925-01-567-8027
NSN 5950-01-517-7147
NSN 5915-00-896-3111
NSN 6240-00-923-0758
NSN 5835-01-398-3859
NSN 6110-00-442-3497
NSN 5855-01-650-9545