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 6620-01-476-7355
NSN 6240-01-604-9172
NSN 5930-00-139-3327
NSN 5925-00-752-8292
NSN 5998-00-086-4847
NSN 5998-01-181-4376
NSN 5855-00-256-5562
NSN 5975-00-468-3978
NSN 5915-01-288-5929
NSN 6150-00-276-1924
NSN 5895-00-205-2747
NSN 6135-01-205-5965