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 6240-01-285-7857
NSN 6240-00-156-1607
NSN 5999-01-555-6532
NSN 5950-01-241-3663
NSN 5920-00-661-0840
NSN 5990-01-426-7350
NSN 5996-01-252-8275
NSN 6620-01-350-5103
NSN 6610-01-062-9994
NSN 5895-00-184-9499
NSN 5835-00-870-7034
NSN 6220-00-444-5923