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 5935-00-625-5929
NSN 5925-00-119-3333
NSN 6620-01-373-0174
NSN 6240-01-512-1856
NSN 5925-00-559-7527
NSN 5960-01-373-7317
NSN 6150-01-054-3983
NSN 5835-01-116-2369
NSN 5950-01-442-4515
NSN 6240-01-023-7720
NSN 2925-00-190-5561
NSN 5975-01-083-2122