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 6610-01-510-8687
NSN 5996-00-860-0860
NSN 5910-00-805-3621
NSN 5925-01-190-4633
NSN 5950-01-221-2278
NSN 5950-01-645-4986
NSN 6645-01-393-5128
NSN 6620-01-207-0667
NSN 5950-00-456-9029
NSN 6620-01-160-8517
NSN 6105-01-369-3076
NSN 4140-01-216-0008