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 5998-01-335-5344
NSN 6320-00-731-6134
NSN 6150-01-260-2897
NSN 5935-00-665-5125
NSN 5985-01-160-3694
NSN 5925-01-590-5326
NSN 5945-01-285-2431
NSN 6240-00-962-0525
NSN 4140-01-361-8883
NSN 5950-01-623-0457
NSN 5990-01-533-1347
NSN 5996-00-222-6049