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 5990-00-402-7721
NSN 5855-01-539-0639
NSN 5996-00-471-0540
NSN 5925-01-464-2734
NSN 6620-00-754-4914
NSN 6685-00-054-9436
NSN 5915-01-507-8871
NSN 5996-01-139-2843
NSN 5999-01-651-0611
NSN 5920-01-292-2570
NSN 6130-01-586-5937
NSN 5950-00-615-9933