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 6150-00-335-7189
NSN 5960-00-081-2559
NSN 6650-01-264-2348
NSN 4140-01-362-9957
NSN 6240-01-095-1273
NSN 6685-00-411-2367
NSN 6110-01-386-4055
NSN 6135-01-307-6006
NSN 5935-00-203-4058
NSN 6105-01-617-7085
NSN 5950-00-806-3158
NSN 5975-01-621-4613