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 5905-01-445-7729
NSN 6620-00-549-5644
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NSN 6135-01-205-5965
NSN 5905-00-853-3775
NSN 5835-01-281-7281
NSN 5999-00-707-6083
NSN 2925-00-174-4322
NSN 5999-01-061-2062
NSN 5996-01-349-7059
NSN 6110-01-600-4674
NSN 5996-00-337-8711