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 5930-00-971-5972
NSN 4140-00-394-8731
NSN 4140-01-606-2704
NSN 5945-01-161-4615
NSN 6620-01-034-4539
NSN 5895-01-589-7702
NSN 6685-01-075-6971
NSN 7035-01-313-2755
NSN 5985-01-383-1572
NSN 7035-01-049-6776
NSN 5999-01-649-7971
NSN 6220-01-516-3597