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 5920-01-423-7199
NSN 7035-01-106-3476
NSN 5950-00-159-1571
NSN 6620-01-156-4641
NSN 5920-01-519-3615
NSN 6320-01-017-5274
NSN 5915-01-535-2667
NSN 5985-01-061-7036
NSN 5998-00-469-1066
NSN 5910-01-579-9610
NSN 5920-00-829-1464
NSN 5996-00-114-0233