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 5835-01-549-9405
NSN 4140-01-245-0331
NSN 6145-00-766-8437
NSN 5975-01-572-1233
NSN 5945-01-250-2518
NSN 6135-01-554-1842
NSN 5925-01-478-2040
NSN 6130-00-443-8295
NSN 6105-01-589-5907
NSN 5920-01-005-5309
NSN 5990-00-983-7530
NSN 5950-01-389-3118