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 6645-01-643-2558
NSN 5990-01-630-5094
NSN 5930-00-539-6640
NSN 5935-00-959-0071
NSN 6150-00-145-8922
NSN 6105-01-054-5716
NSN 6150-01-368-9245
NSN 6220-01-445-1435
NSN 6240-01-305-6933
NSN 5895-00-230-5561
NSN 5910-01-076-5980
NSN 5920-00-753-5113