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 6240-01-645-4797
NSN 5990-00-964-6422
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NSN 6150-01-400-4211
NSN 5975-00-056-8600
NSN 6320-00-857-4073
NSN 2925-00-987-9595
NSN 6645-01-552-0004
NSN 5935-01-523-5021
NSN 4140-01-040-9514
NSN 5965-01-357-2317
NSN 5965-01-260-0780