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 6150-01-472-4225
NSN 7035-01-284-3217
NSN 5935-01-363-7914
NSN 4140-01-031-6391
NSN 5960-01-628-2760
NSN 5925-01-452-3858
NSN 6105-01-196-6377
NSN 2925-00-945-0792
NSN 5960-00-400-2222
NSN 5950-00-869-6371
NSN 6105-01-370-2574
NSN 6110-01-265-8720