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 5855-00-862-3345
NSN 6320-00-004-9158
NSN 6105-01-123-7973
NSN 5920-01-648-2686
NSN 6620-01-321-6819
NSN 6240-01-581-2000
NSN 6110-01-542-2263
NSN 5930-00-259-7150
NSN 5975-01-613-1912
NSN 5910-01-327-3532
NSN 5915-00-483-2138
NSN 4140-00-401-7851