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 6610-00-172-7658
NSN 5975-01-456-7638
NSN 5835-00-180-7555
NSN 6130-01-099-2294
NSN 5975-01-494-8575
NSN 5985-00-883-3308
NSN 5930-01-019-6891
NSN 5975-00-269-8391
NSN 5975-01-437-8662
NSN 6610-01-389-3082
NSN 5975-00-900-4013
NSN 6240-00-432-6749