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 6650-01-327-6334
NSN 2925-00-081-3547
NSN 5998-01-547-5245
NSN 5895-01-502-6988
NSN 6685-00-248-5820
NSN 6220-00-228-3735
NSN 5990-00-932-3070
NSN 5835-01-354-0566
NSN 4140-01-649-9371
NSN 6620-00-081-7899
NSN 5915-00-937-8476
NSN 6110-01-111-8762