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 6145-00-578-7522
NSN 5930-01-406-6028
NSN 5935-01-453-4056
NSN 6650-01-515-0391
NSN 5945-01-323-5186
NSN 5935-01-417-4735
NSN 4140-01-206-2397
NSN 6150-01-165-5070
NSN 5965-01-585-8555
NSN 5935-01-249-1021
NSN 4140-00-513-1089
NSN 6620-01-151-2288