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 4140-00-623-0248
NSN 5960-01-285-2152
NSN 5925-01-067-8301
NSN 5855-00-688-9954
NSN 5950-00-827-6044
NSN 6610-01-406-6696
NSN 5925-00-862-6719
NSN 5975-01-282-0477
NSN 5920-01-589-2844
NSN 6240-00-756-3524
NSN 5910-01-474-5149
NSN 6650-01-433-3056