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 5960-01-254-3541
NSN 5985-00-383-5359
NSN 5945-00-564-2798
NSN 5835-01-332-2867
NSN 5915-00-528-9286
NSN 6650-00-796-9972
NSN 6320-01-506-9439
NSN 5950-01-538-1958
NSN 6620-01-266-8894
NSN 7035-01-068-4175
NSN 6130-00-881-2272
NSN 5996-00-945-0383