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 5990-01-362-5373
NSN 5910-01-421-9817
NSN 5999-01-106-7638
NSN 5985-00-128-3827
NSN 5920-00-189-7497
NSN 4140-00-648-3303
NSN 5925-01-440-7569
NSN 6145-01-423-9845
NSN 6135-01-338-8969
NSN 5930-01-422-2960
NSN 5945-01-463-8708
NSN 6650-01-352-0424