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 5965-00-335-0305
NSN 5990-00-479-9157
NSN 4140-01-217-0570
NSN 5945-00-823-6156
NSN 7035-01-524-8969
NSN 5910-00-184-2364
NSN 6320-00-643-0958
NSN 5960-01-443-3067
NSN 6645-01-441-4456
NSN 5895-01-426-7937
NSN 6620-00-635-7347
NSN 6645-00-488-4432