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 5895-01-516-5231
NSN 4140-00-104-2939
NSN 6320-00-194-4252
NSN 6110-00-840-6560
NSN 6145-00-231-7719
NSN 6645-01-436-4542
NSN 6105-01-513-9330
NSN 4140-01-483-0926
NSN 6320-01-414-4568
NSN 5965-00-146-6561
NSN 5985-01-145-9785
NSN 5975-01-357-8122