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 6110-01-379-0606
NSN 6145-01-388-2642
NSN 5998-00-626-9896
NSN 5996-00-803-0212
NSN 5985-01-422-0534
NSN 5950-01-072-0289
NSN 5950-01-625-1652
NSN 5985-01-326-8959
NSN 5920-01-655-0406
NSN 6135-00-309-0074
NSN 6650-01-543-7048
NSN 5910-00-824-0188