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 4140-01-049-0140
NSN 5950-01-160-7625
NSN 5905-01-620-8943
NSN 6320-01-434-6861
NSN 2925-01-129-1261
NSN 6110-00-246-3941
NSN 6135-00-819-8074
NSN 6105-01-484-6790
NSN 7035-00-679-9027
NSN 6105-00-325-0956
NSN 6645-01-576-9896
NSN 5915-00-763-9065