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 5905-00-925-2851
NSN 6610-01-289-5784
NSN 6320-01-544-0860
NSN 5935-00-144-4395
NSN 6135-00-228-8140
NSN 6150-00-846-5286
NSN 6145-00-174-9344
NSN 6220-01-302-2214
NSN 6145-01-186-5591
NSN 5945-01-420-3069
NSN 5999-01-618-7395
NSN 5855-00-014-5008