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 6220-01-634-0660
NSN 4140-01-217-3214
NSN 7035-01-293-3431
NSN 5950-00-636-4290
NSN 5996-01-240-2925
NSN 6240-01-616-3177
NSN 5855-01-165-6361
NSN 5915-01-029-3612
NSN 6220-01-569-0964
NSN 5935-00-920-9349
NSN 5950-00-652-1997
NSN 5975-00-596-4716