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 5935-01-029-3086
NSN 5965-01-129-1968
NSN 5925-01-040-4047
NSN 5920-01-249-7616
NSN 6240-01-166-4517
NSN 5925-01-469-8104
NSN 5975-00-095-3751
NSN 4140-00-480-7894
NSN 5915-01-558-4426
NSN 5998-00-472-2601
NSN 6320-01-412-2973
NSN 4140-01-370-4075