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 4140-01-248-0157
NSN 5935-00-775-6759
NSN 5925-01-577-9239
NSN 5996-00-011-3851
NSN 6130-00-266-7496
NSN 5835-01-644-4958
NSN 6240-01-030-8788
NSN 6135-00-985-7846
NSN 5950-00-351-3859
NSN 6145-00-427-7201
NSN 4140-01-087-3336
NSN 5920-01-122-6303