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 6645-01-320-2661
NSN 4140-01-289-7912
NSN 6620-01-231-9731
NSN 6110-00-880-4989
NSN 5950-01-219-5600
NSN 5905-01-273-2197
NSN 6135-00-369-2368
NSN 5920-00-369-0923
NSN 5835-00-834-1286
NSN 5975-01-394-5207
NSN 5905-01-555-4357
NSN 2925-01-643-8395