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 5930-00-504-0151
NSN 5835-01-541-9991
NSN 5965-00-227-7348
NSN 5930-00-800-7435
NSN 6135-01-067-8331
NSN 5965-00-605-8239
NSN 6650-00-107-8509
NSN 5945-01-362-4257
NSN 2925-01-594-5385
NSN 6150-00-196-2842
NSN 6610-00-209-4372
NSN 6620-00-474-6952