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 6135-00-284-1406
NSN 6105-01-299-1181
NSN 6620-00-942-1751
NSN 6130-01-400-1122
NSN 5835-01-422-7393
NSN 5996-01-136-9353
NSN 5920-00-427-7267
NSN 6620-01-304-8055
NSN 7035-00-574-4223
NSN 5950-01-116-5100
NSN 4140-01-066-4681
NSN 5975-01-400-3414