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.
NSN 5930-00-831-4401
NSN 4140-01-396-2142
NSN 5835-00-711-3371
NSN 5925-01-036-0913
NSN 6220-01-555-8332
NSN 6320-01-519-8767
NSN 5950-01-436-6975
NSN 5985-01-150-4451
NSN 6650-00-479-9329
NSN 5998-01-371-9839
NSN 5925-01-145-9198
NSN 5965-00-973-1090