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 5998-01-399-8714
NSN 5996-01-069-2915
NSN 4140-00-385-2925
NSN 5835-01-515-6537
NSN 5925-00-244-7418
NSN 2925-01-058-1718
NSN 5895-01-235-0446
NSN 5990-01-033-1423
NSN 5905-00-728-7204
NSN 6220-00-432-1437
NSN 5985-00-155-5991
NSN 5998-01-029-4662