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 6135-01-231-4809
NSN 5990-01-254-3197
NSN 6145-00-074-4004
NSN 5930-01-453-1709
NSN 5990-00-473-1809
NSN 5950-01-580-0598
NSN 5975-01-431-8814
NSN 5920-01-453-2109
NSN 5960-01-498-0572
NSN 5950-01-237-2431
NSN 6130-01-036-8581
NSN 6620-00-740-3699