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 5925-01-061-9171
NSN 5975-01-443-4306
NSN 6145-00-406-4471
NSN 6105-01-469-6027
NSN 6220-01-275-6158
NSN 6620-00-506-0112
NSN 6320-01-052-2118
NSN 5985-00-622-5421
NSN 6135-00-269-5843
NSN 5975-01-012-1993
NSN 5996-01-432-2779
NSN 6620-00-562-6337