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 6145-00-345-2565
NSN 5998-01-323-6597
NSN 5930-00-294-0897
NSN 6610-01-470-4684
NSN 6110-01-371-3049
NSN 2925-00-635-9731
NSN 5945-00-495-7350
NSN 4140-00-704-7615
NSN 5950-01-403-2852
NSN 5835-01-069-8002
NSN 6320-01-029-4220
NSN 6650-01-580-2501