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 6220-01-634-0660
NSN 5950-00-469-3948
NSN 5855-00-004-0904
NSN 6220-01-316-9436
NSN 6650-01-481-8009
NSN 5996-01-572-4895
NSN 5998-01-514-2701
NSN 5895-00-819-1273
NSN 7035-00-513-9764
NSN 5990-00-328-4490
NSN 6150-00-168-1319
NSN 6650-01-647-3365