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 4140-01-370-4075
NSN 6145-00-054-0499
NSN 6145-00-663-6133
NSN 5835-00-059-5854
NSN 5985-01-200-1020
NSN 6135-00-575-8942
NSN 6320-01-412-2973
NSN 5935-01-240-6561
NSN 5855-01-349-6135
NSN 5999-01-094-1906
NSN 4140-00-500-2718
NSN 5895-01-567-1179