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 6145-00-199-8066
NSN 6150-00-983-3176
NSN 5935-01-016-2946
NSN 5945-01-493-8688
NSN 6645-01-179-0243
NSN 5895-00-383-5849
NSN 5920-01-074-2094
NSN 6240-01-124-5309
NSN 5905-01-227-1783
NSN 5920-00-891-2771
NSN 6620-01-519-7234
NSN 6110-01-487-2842