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 6240-00-491-7191
NSN 6645-00-911-2999
NSN 6105-01-431-8998
NSN 5996-01-494-6240
NSN 5855-01-496-4265
NSN 6645-01-086-4509
NSN 5950-00-061-6110
NSN 6685-01-290-4378
NSN 5835-00-707-6266
NSN 5960-01-372-5609
NSN 5920-01-204-0449
NSN 7035-01-291-1770