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 6220-01-414-1906
NSN 5895-01-422-0593
NSN 5945-00-847-2307
NSN 6320-01-195-5583
NSN 6610-01-205-8340
NSN 6645-01-627-4123
NSN 5905-00-845-7124
NSN 6150-01-310-0375
NSN 5930-01-608-3988
NSN 5835-01-589-4735
NSN 5930-00-486-1383
NSN 5998-01-350-5889