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 5985-01-423-8577
NSN 5920-01-141-1741
NSN 4140-01-485-7625
NSN 6610-00-437-5681
NSN 6145-01-555-8781
NSN 5905-00-580-4524
NSN 2925-00-156-8963
NSN 5975-01-015-6933
NSN 5990-00-832-9766
NSN 5960-01-024-6615
NSN 6610-01-462-5980
NSN 5990-00-949-6478