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 6610-01-085-6947
NSN 5950-00-645-9640
NSN 5920-01-126-8826
NSN 6150-01-051-1678
NSN 4140-01-309-1368
NSN 6320-01-422-1212
NSN 6620-01-287-1443
NSN 5965-01-530-2673
NSN 6135-01-512-8740
NSN 6110-01-510-3300
NSN 5835-00-980-0468
NSN 5960-01-123-8775