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 5998-00-303-2649
NSN 6650-00-864-2942
NSN 5905-01-423-8475
NSN 6240-01-415-5581
NSN 6610-00-100-1195
NSN 7035-00-631-3782
NSN 6130-00-081-2186
NSN 5965-00-649-9403
NSN 5925-00-417-3761
NSN 7035-00-232-4043
NSN 5930-00-538-5508
NSN 5990-01-490-5614