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 5915-01-204-9053
NSN 2925-00-973-9413
NSN 5990-01-443-2931
NSN 6135-01-062-9356
NSN 6645-00-616-1289
NSN 5990-01-188-7309
NSN 6240-00-474-0661
NSN 6240-01-650-3757
NSN 5950-00-789-0838
NSN 5996-01-106-7328
NSN 2925-00-496-9082
NSN 5975-01-526-8980