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 5945-00-110-9059
NSN 6145-00-225-8709
NSN 6220-01-382-7997
NSN 5905-01-358-0285
NSN 5950-00-223-1832
NSN 4140-01-500-8094
NSN 5895-00-556-2149
NSN 5905-01-026-2161
NSN 2925-01-408-9362
NSN 5835-01-373-9506
NSN 5920-01-103-1401
NSN 5905-00-406-1421