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 5835-00-341-5441
NSN 6220-01-200-0611
NSN 5915-01-067-9129
NSN 6110-00-194-4980
NSN 5930-01-511-7390
NSN 6135-00-840-6451
NSN 5998-00-679-4001
NSN 5950-00-972-7343
NSN 5895-01-598-6086
NSN 5905-01-172-5277
NSN 6685-01-316-8780
NSN 5915-01-127-3854