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 5835-00-564-0057
NSN 5975-00-181-5825
NSN 5855-01-582-7368
NSN 5945-01-337-8508
NSN 6610-01-288-6103
NSN 5999-01-620-7172
NSN 5925-00-147-7452
NSN 5895-01-257-0349
NSN 6610-00-978-4000
NSN 6240-00-151-5360
NSN 6240-01-048-8172
NSN 6320-01-335-8336