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 5990-01-646-8048
NSN 5925-01-366-3570
NSN 6240-00-145-1536
NSN 6650-01-290-1029
NSN 6135-01-180-9611
NSN 4140-01-431-1207
NSN 5990-01-204-7576
NSN 5985-00-870-6277
NSN 5945-01-437-6240
NSN 5998-01-197-0201
NSN 5996-01-497-3412
NSN 6610-00-191-5317