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 5960-01-513-3230
NSN 4140-01-409-1764
NSN 5975-01-398-1080
NSN 6130-00-518-1723
NSN 5950-01-204-8853
NSN 6650-01-386-6711
NSN 5920-00-928-6721
NSN 4140-01-479-0283
NSN 5935-01-230-8758
NSN 5985-01-072-0502
NSN 5945-01-086-0860
NSN 4140-01-596-7716