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 5905-01-363-2056
NSN 5915-01-420-6615
NSN 5998-00-518-3386
NSN 2925-00-845-1480
NSN 5999-01-634-0576
NSN 6135-01-540-2403
NSN 6150-01-302-4425
NSN 4140-00-108-5688
NSN 6150-01-394-8094
NSN 6145-01-088-8658
NSN 5999-01-430-4895
NSN 5910-01-243-8338