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 5975-01-215-3473
NSN 6240-01-463-5761
NSN 5915-01-303-5453
NSN 6130-01-271-1069
NSN 4140-01-198-5652
NSN 6150-01-447-3266
NSN 5950-01-541-3737
NSN 6620-01-468-2795
NSN 5835-00-419-0575
NSN 5999-01-572-5380
NSN 5960-00-888-7218
NSN 5925-00-425-3424