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 6150-00-316-3223
NSN 6645-01-110-0776
NSN 6650-01-360-6577
NSN 5996-01-527-9707
NSN 5835-00-707-6266
NSN 6320-01-512-2031
NSN 4140-01-130-2354
NSN 5920-00-206-3595
NSN 6240-00-518-3541
NSN 5925-01-466-2804
NSN 6240-01-596-3183
NSN 5996-01-012-1924