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 6145-01-444-0812
NSN 5920-01-616-3401
NSN 6110-00-971-2035
NSN 5835-00-606-7042
NSN 4140-00-249-5603
NSN 5975-01-429-9503
NSN 5965-00-997-5764
NSN 6240-01-023-0424
NSN 5930-01-515-6215
NSN 6240-01-280-3382
NSN 5999-01-209-6899
NSN 5925-01-590-2513