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 5950-01-512-1973
NSN 5945-01-555-8373
NSN 5975-00-279-3972
NSN 6110-01-398-3816
NSN 5960-01-516-7264
NSN 5996-01-507-1515
NSN 5960-01-068-4003
NSN 5910-01-521-0090
NSN 6150-01-187-8198
NSN 5998-00-267-1044
NSN 5996-00-471-0540
NSN 5945-01-286-5809