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 4140-00-350-5446
NSN 6620-00-421-7509
NSN 5998-01-072-8019
NSN 5855-01-059-2710
NSN 6685-01-484-6560
NSN 6135-00-998-5884
NSN 6685-01-336-1477
NSN 5965-00-226-0209
NSN 6620-01-152-9453
NSN 6110-01-434-2544
NSN 6320-01-442-3428
NSN 5915-01-450-2658