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 4140-01-406-3292
NSN 6130-01-323-4425
NSN 6135-01-365-2707
NSN 5985-00-576-9755
NSN 5920-00-752-0458
NSN 5996-01-380-4733
NSN 5985-00-756-2523
NSN 5990-01-147-8097
NSN 6135-01-059-4055
NSN 5975-01-286-7334
NSN 6135-01-296-1860
NSN 4140-00-179-3977