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 5998-01-586-4424
NSN 5975-00-868-8772
NSN 5945-00-236-5998
NSN 6110-01-420-4284
NSN 6145-01-334-0646
NSN 7035-01-038-9970
NSN 6620-00-456-9539
NSN 5835-01-100-3265
NSN 5975-01-152-1960
NSN 5945-01-567-4244
NSN 5965-01-195-2168
NSN 5945-00-055-9535