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 6105-01-198-6421
NSN 5915-01-117-5567
NSN 5975-01-388-6104
NSN 5985-00-964-3547
NSN 6110-00-691-9134
NSN 5925-01-521-1856
NSN 5915-01-384-4464
NSN 5960-00-304-8668
NSN 6145-00-091-1079
NSN 5920-01-141-6885
NSN 5985-00-529-0093
NSN 4140-01-037-9792