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 5999-01-401-5322
NSN 7035-00-063-5245
NSN 5930-00-918-2916
NSN 6620-01-082-7326
NSN 5835-01-068-4043
NSN 5975-01-552-0106
NSN 5960-01-564-5044
NSN 5935-01-280-4658
NSN 6110-01-037-4863
NSN 6130-00-401-4970
NSN 6645-01-503-6337
NSN 6130-00-074-8794