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 4140-01-345-0302
NSN 6135-01-388-2761
NSN 5945-00-929-0458
NSN 5965-01-218-7795
NSN 6650-01-204-2524
NSN 6135-00-078-9931
NSN 6130-01-515-6060
NSN 6240-01-090-2280
NSN 6645-01-459-7788
NSN 7035-00-470-4977
NSN 5910-00-799-3614
NSN 6220-01-577-3328