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 6320-01-371-3047
NSN 2925-00-463-1282
NSN 6150-00-137-2851
NSN 5835-01-584-8538
NSN 6685-01-424-5555
NSN 6620-01-462-5196
NSN 5935-01-142-7895
NSN 5965-01-224-4993
NSN 5998-00-327-0662
NSN 5925-00-533-0309
NSN 5998-01-333-6721
NSN 5985-00-626-6496