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 6150-01-166-8179
NSN 6145-01-208-0870
NSN 4140-00-009-8803
NSN 5945-01-466-6347
NSN 4140-00-885-5958
NSN 6150-01-122-3924
NSN 5975-00-396-2255
NSN 5990-01-272-4091
NSN 5975-00-318-4623
NSN 5905-00-169-4414
NSN 6650-01-003-9355
NSN 6620-01-373-4588