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 5990-01-053-5115
NSN 5945-01-507-5526
NSN 5950-01-159-2619
NSN 5945-00-061-7267
NSN 5855-01-351-6277
NSN 5905-00-399-1394
NSN 6145-00-486-3443
NSN 6320-01-159-1983
NSN 5930-01-390-0131
NSN 5905-01-536-7024
NSN 5975-01-423-0695
NSN 6240-01-461-3636