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 5975-01-359-4848
NSN 5895-01-318-8136
NSN 6320-00-242-3300
NSN 5990-01-057-4191
NSN 6620-01-076-1340
NSN 4140-01-590-5230
NSN 5950-01-509-3603
NSN 5920-00-594-3124
NSN 6620-01-442-8444
NSN 4140-01-649-3377
NSN 5965-01-660-7613
NSN 6645-00-491-8963