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 5985-00-221-5566
NSN 5996-01-400-3558
NSN 4140-01-116-1615
NSN 6220-00-267-6940
NSN 6220-00-401-9905
NSN 2925-01-132-5827
NSN 6320-01-372-8671
NSN 5945-01-529-5607
NSN 5905-00-418-4426
NSN 6650-01-391-4461
NSN 5905-01-335-4876
NSN 6650-01-467-7454