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 5998-00-126-0388
NSN 6145-01-430-3839
NSN 6110-00-353-0139
NSN 6220-00-197-9366
NSN 6650-01-323-6252
NSN 5990-01-492-6575
NSN 6320-01-209-0952
NSN 6320-00-790-4844
NSN 5925-01-557-6895
NSN 5835-01-373-3498
NSN 5895-01-008-4454
NSN 5998-01-201-6416