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 6110-01-311-6573
NSN 5835-01-160-7282
NSN 2925-01-394-5650
NSN 6240-01-348-0057
NSN 5990-00-870-8310
NSN 5985-01-468-9787
NSN 5905-01-256-4160
NSN 5925-01-234-5780
NSN 6620-01-398-8986
NSN 6105-00-223-3064
NSN 5945-01-505-9579
NSN 6150-00-647-3285