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 5960-01-059-4192
NSN 5999-00-100-5761
NSN 6220-00-296-4101
NSN 6320-01-204-2922
NSN 5930-01-641-6282
NSN 6150-01-029-1207
NSN 5998-01-089-7572
NSN 5935-00-409-5913
NSN 6135-00-728-9860
NSN 6240-01-544-6359
NSN 5920-01-500-1880
NSN 5835-01-135-2601