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 5910-00-419-7391
NSN 5835-01-180-1400
NSN 6110-00-233-6626
NSN 5950-01-458-7259
NSN 6150-01-025-6083
NSN 5960-01-203-9814
NSN 6130-01-421-3354
NSN 6320-01-564-0893
NSN 5920-01-063-5769
NSN 5925-01-461-2441
NSN 6645-00-200-2324
NSN 5975-01-434-3154