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 5915-01-131-0627
NSN 5950-01-246-0518
NSN 6110-00-705-1368
NSN 6135-01-471-2803
NSN 6610-01-445-7679
NSN 5895-00-671-1250
NSN 6320-00-445-1187
NSN 6610-00-329-0426
NSN 6650-00-361-8222
NSN 5965-00-910-3233
NSN 5965-00-083-8157
NSN 6620-00-929-1188