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 5998-00-193-9621
NSN 5996-01-625-0427
NSN 6610-01-143-7914
NSN 5910-00-867-8078
NSN 5930-00-319-4719
NSN 5910-01-615-5388
NSN 6135-01-282-4326
NSN 6110-00-802-1305
NSN 6320-01-514-6141
NSN 5935-01-569-0616
NSN 5930-01-400-6126
NSN 5990-01-065-0492