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 6145-01-480-6252
NSN 6130-01-318-4321
NSN 5930-01-492-9726
NSN 6685-01-451-3937
NSN 5905-01-472-2027
NSN 5910-01-649-9742
NSN 6130-00-462-1122
NSN 6650-01-654-4927
NSN 5910-00-880-3978
NSN 5945-01-281-6524
NSN 6650-01-565-6340
NSN 5935-00-435-2458