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 5990-01-531-5962
NSN 5915-00-874-7735
NSN 6610-00-689-3629
NSN 5915-00-926-2471
NSN 6650-01-487-7411
NSN 5925-00-100-5760
NSN 6620-00-862-5567
NSN 6150-01-659-4091
NSN 6320-01-320-3305
NSN 2925-01-518-3453
NSN 5985-00-419-0342
NSN 6145-00-896-1893