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 6610-01-633-8931
NSN 6220-01-544-6350
NSN 5985-01-027-0225
NSN 5950-01-440-9349
NSN 5945-01-421-3321
NSN 6240-01-500-6260
NSN 5990-00-964-9672
NSN 6135-01-054-2462
NSN 6145-00-245-1180
NSN 6135-01-136-8306
NSN 5920-01-581-9478
NSN 5950-01-311-6377