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 5998-00-893-1454
NSN 5996-01-480-8956
NSN 5915-01-293-8354
NSN 2925-01-380-0869
NSN 5920-01-101-2413
NSN 5920-00-344-0980
NSN 6135-01-235-4168
NSN 5998-00-053-1514
NSN 5950-01-457-1421
NSN 2925-00-609-8180
NSN 6110-00-155-4303
NSN 6685-01-475-0011