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 5996-01-534-9149
NSN 6135-00-203-9645
NSN 6620-00-757-4860
NSN 5835-01-654-1251
NSN 6610-00-129-9119
NSN 6110-01-080-8677
NSN 2925-01-500-0730
NSN 5895-01-037-4366
NSN 5960-01-413-3877
NSN 5835-00-174-7763
NSN 6150-01-226-4169
NSN 5975-00-468-6111