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 5985-00-285-6455
NSN 5996-00-947-8805
NSN 6320-00-483-0451
NSN 6220-01-651-4946
NSN 5965-00-734-5053
NSN 5998-00-992-5308
NSN 5925-01-500-2433
NSN 6650-01-082-5534
NSN 6135-00-767-0331
NSN 6220-00-298-9302
NSN 6110-01-157-8253
NSN 5895-01-182-1085