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 6610-01-233-0949
NSN 5855-01-492-6913
NSN 5835-00-401-2578
NSN 6620-00-905-6590
NSN 6645-01-055-0373
NSN 5920-00-111-2375
NSN 5960-01-012-4936
NSN 6130-01-158-6139
NSN 5965-01-627-7103
NSN 5920-01-514-8109
NSN 6150-01-524-9797
NSN 5920-01-176-5426