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 5965-01-439-6217
NSN 5920-01-474-5404
NSN 2925-01-101-0463
NSN 6220-01-004-6234
NSN 5905-01-181-8891
NSN 2925-00-759-5465
NSN 5975-00-189-0857
NSN 5925-01-462-2008
NSN 5960-01-458-7999
NSN 5905-00-947-7983
NSN 6650-01-300-9670
NSN 6650-01-560-8576