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 6145-00-925-7795
NSN 4140-01-400-0643
NSN 6150-00-105-5523
NSN 6150-00-729-9420
NSN 6320-00-116-3658
NSN 6620-01-302-3549
NSN 5999-01-265-5495
NSN 5965-01-519-8758
NSN 5915-00-216-8185
NSN 5999-01-443-2279
NSN 5998-01-657-4376
NSN 6130-01-090-1214