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 5999-00-444-2300
NSN 6110-00-074-1442
NSN 6150-01-472-0056
NSN 6650-00-769-3003
NSN 5996-00-644-4662
NSN 6150-01-029-7684
NSN 5999-00-040-1645
NSN 5990-00-221-0878
NSN 5990-01-065-0492
NSN 6650-01-300-9670
NSN 5975-01-352-7829
NSN 6220-00-810-9563