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 6685-00-057-2777
NSN 6320-01-454-1965
NSN 5835-00-554-0399
NSN 6685-01-441-2198
NSN 5975-01-143-6987
NSN 5945-00-152-4093
NSN 5895-00-116-7411
NSN 5998-00-105-6598
NSN 6130-00-151-5001
NSN 6105-00-468-2925
NSN 5975-01-442-8429
NSN 5910-01-533-4073