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 5915-00-864-5165
NSN 5975-01-238-4783
NSN 6685-01-382-7956
NSN 5910-01-278-2003
NSN 6145-01-617-9521
NSN 6240-01-050-0834
NSN 5930-01-121-2191
NSN 5996-01-626-3598
NSN 5910-01-197-2564
NSN 6650-01-219-3731
NSN 6320-01-227-2648
NSN 5950-01-260-3417