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 5965-00-179-3789
NSN 6150-01-589-2903
NSN 6145-01-367-9359
NSN 6130-01-426-8841
NSN 6130-01-118-7309
NSN 5835-00-195-7508
NSN 5950-00-538-8752
NSN 6130-01-515-1094
NSN 5895-01-634-0630
NSN 5999-01-389-8252
NSN 6220-00-466-2681
NSN 7035-00-020-2227