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 4140-01-456-0891
NSN 5855-01-029-8733
NSN 5960-01-513-3230
NSN 5935-01-256-3978
NSN 6645-01-086-7668
NSN 6145-01-079-0869
NSN 6645-01-525-7493
NSN 5930-01-187-1736
NSN 5895-00-230-1820
NSN 6610-00-248-1559
NSN 6240-00-617-1818
NSN 6130-01-575-2911