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 4140-00-547-8918
NSN 6145-01-514-7305
NSN 6105-00-766-7969
NSN 5990-01-003-4209
NSN 7035-01-442-3987
NSN 6220-01-011-8569
NSN 5945-00-100-5901
NSN 6620-00-621-6951
NSN 5910-01-628-8058
NSN 6110-00-052-2655
NSN 6220-00-959-5970
NSN 6110-01-204-1270