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 6620-01-628-2620
NSN 4140-01-634-0330
NSN 5985-01-410-7826
NSN 5998-01-518-1378
NSN 5950-00-104-5908
NSN 6610-01-386-0647
NSN 6145-01-442-3511
NSN 5855-01-553-6138
NSN 5985-00-226-3402
NSN 6145-00-681-4417
NSN 5920-01-398-0580
NSN 6145-01-362-2624