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 6135-01-187-0033
NSN 6620-01-508-7902
NSN 5960-00-402-9390
NSN 5990-01-419-0661
NSN 6645-01-481-9834
NSN 4140-01-267-9874
NSN 2925-01-251-9529
NSN 5996-01-643-4962
NSN 5910-00-740-7286
NSN 5975-01-049-2927
NSN 6110-00-028-2064
NSN 6135-00-080-9176