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 6240-01-182-9201
NSN 5990-01-083-0595
NSN 6610-01-280-3429
NSN 4140-01-207-8528
NSN 6650-01-580-5459
NSN 6320-01-090-8296
NSN 5920-01-407-3143
NSN 5945-01-626-1906
NSN 6650-00-775-6560
NSN 5965-00-665-2156
NSN 5998-01-490-1431
NSN 6220-01-569-3850