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 4140-01-129-2239
NSN 6645-01-380-5360
NSN 5965-01-575-2388
NSN 5835-01-384-3206
NSN 5998-01-336-2226
NSN 6610-01-100-3662
NSN 5930-01-618-0586
NSN 5925-00-644-5546
NSN 6105-01-552-1643
NSN 6145-00-000-0090
NSN 5990-01-100-1840
NSN 5920-00-359-4880