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 4140-01-110-1980
NSN 6240-00-467-7295
NSN 5915-01-450-4311
NSN 2925-01-575-7376
NSN 6610-01-476-7412
NSN 5895-01-514-9807
NSN 5950-00-349-9881
NSN 6150-01-299-4529
NSN 5996-00-805-0142
NSN 6650-01-480-0053
NSN 6320-01-395-9148
NSN 6620-01-207-0667