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 6220-01-287-1465
NSN 5945-00-174-0810
NSN 6145-01-600-5771
NSN 6645-01-426-0207
NSN 6150-01-214-7643
NSN 5975-00-923-5227
NSN 6130-01-640-8446
NSN 5998-01-100-3053
NSN 6320-01-006-6138
NSN 2925-00-278-9468
NSN 5945-01-347-5267
NSN 6610-01-262-3467