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 6650-01-041-0296
NSN 5930-01-135-6875
NSN 6220-01-657-7443
NSN 6150-00-161-2480
NSN 6135-01-652-8615
NSN 6220-01-093-7946
NSN 5990-00-033-8128
NSN 6105-01-649-9841
NSN 5996-01-506-6322
NSN 5998-01-414-5522
NSN 5855-01-383-6860
NSN 5999-00-350-8440