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 5945-01-313-7377
NSN 5905-01-025-0281
NSN 5985-01-068-1940
NSN 5920-01-101-4410
NSN 2925-01-226-6126
NSN 5915-00-690-1865
NSN 5975-01-503-8687
NSN 5895-01-418-0850
NSN 5925-01-050-9032
NSN 4140-01-368-2608
NSN 5998-01-192-6975
NSN 6150-01-605-3392