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 5965-01-550-0163
NSN 6150-00-070-1006
NSN 6620-01-633-8443
NSN 5895-01-412-9052
NSN 5910-00-804-5297
NSN 5920-01-140-1120
NSN 5999-00-904-8151
NSN 6610-00-542-6307
NSN 6135-00-203-9645
NSN 5835-00-905-7165
NSN 5835-01-012-3611
NSN 6620-01-646-0105