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 6620-00-948-6751
NSN 6320-00-468-3461
NSN 5855-01-429-8702
NSN 5835-00-140-8646
NSN 5930-01-292-8013
NSN 6620-01-201-3429
NSN 6240-01-515-2400
NSN 6610-00-377-7956
NSN 6135-01-351-2690
NSN 5935-01-170-0133
NSN 5835-01-185-1102
NSN 6130-01-502-5912