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 6220-01-431-7319
NSN 5855-01-436-2862
NSN 6620-01-413-4170
NSN 6610-00-472-5179
NSN 5835-01-580-0446
NSN 5975-01-084-1043
NSN 6150-01-497-7838
NSN 5920-01-224-4334
NSN 5930-01-396-1189
NSN 6110-01-388-0408
NSN 6220-00-479-9171
NSN 5835-00-122-6476