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 5985-01-104-4324
NSN 5855-00-763-2155
NSN 5950-00-171-1888
NSN 6145-01-372-0600
NSN 6110-01-546-2507
NSN 6130-01-541-4634
NSN 5925-00-449-3777
NSN 2925-00-513-6644
NSN 5975-01-149-8889
NSN 5990-01-316-6344
NSN 6320-01-192-0332
NSN 6320-01-407-8663