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 5920-01-292-2570
NSN 6610-01-519-0997
NSN 5915-01-646-3741
NSN 5905-01-412-0353
NSN 5990-00-717-3432
NSN 5915-00-938-0000
NSN 5950-00-067-8294
NSN 5975-00-166-0614
NSN 5950-01-630-3193
NSN 6110-01-214-0355
NSN 6620-01-292-2253
NSN 5990-00-644-3365