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 4140-01-318-0189
NSN 4140-00-106-6780
NSN 6645-01-345-5318
NSN 6150-01-508-8180
NSN 5855-01-559-9639
NSN 5925-01-088-6863
NSN 5855-01-406-4821
NSN 6130-01-190-7052
NSN 5998-01-502-6009
NSN 6320-01-449-1014
NSN 5835-00-850-1475
NSN 5895-01-146-0570