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 6610-00-458-5444
NSN 6130-01-067-1771
NSN 5910-00-949-7508
NSN 5895-01-165-9396
NSN 2925-00-719-7912
NSN 5999-01-467-2666
NSN 5915-01-398-5533
NSN 6105-01-184-5602
NSN 6150-01-110-9839
NSN 5975-01-401-5355
NSN 6610-01-593-0135
NSN 5835-01-303-6563