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 6240-00-761-2244
NSN 5965-01-472-1997
NSN 5855-00-631-4565
NSN 6240-01-562-4891
NSN 5930-00-046-4620
NSN 5975-01-600-6277
NSN 6130-00-954-2859
NSN 5935-01-113-8096
NSN 5996-01-312-7570
NSN 4140-00-012-3506
NSN 6135-01-177-3552
NSN 5915-00-435-0371