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 6220-01-492-9403
NSN 5925-00-160-4747
NSN 6320-00-790-4844
NSN 6220-00-167-5441
NSN 6110-01-341-6138
NSN 5930-01-400-0892
NSN 6685-01-052-3118
NSN 6145-01-467-2681
NSN 6685-01-293-1267
NSN 6145-01-528-4181
NSN 5915-01-589-0171
NSN 5930-00-530-2367