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 5910-01-497-9554
NSN 5905-01-254-5170
NSN 4140-01-132-6612
NSN 6145-01-304-2284
NSN 5835-01-180-9441
NSN 5920-01-391-4884
NSN 6135-01-480-8121
NSN 6320-01-349-8077
NSN 6150-01-025-1467
NSN 5925-01-017-7270
NSN 5910-00-598-3674
NSN 6320-00-082-5868