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 5895-00-633-0431
NSN 5999-01-437-5732
NSN 5985-01-436-7527
NSN 6320-01-411-1353
NSN 6620-00-445-8325
NSN 6610-01-633-1121
NSN 5915-00-558-4413
NSN 5920-00-450-1978
NSN 5920-00-610-3209
NSN 5925-01-326-7226
NSN 6110-00-317-8063
NSN 6105-01-645-5920