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 5998-01-284-8573
NSN 5925-01-370-6972
NSN 6620-01-073-6365
NSN 5930-00-148-9247
NSN 5930-00-528-9728
NSN 5945-01-573-2655
NSN 6645-00-503-1379
NSN 5835-01-435-4139
NSN 5996-01-452-0028
NSN 5920-01-031-7360
NSN 5975-01-533-6987
NSN 6645-01-352-6583