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 5935-00-104-7528
NSN 5965-01-107-8549
NSN 5935-00-942-4805
NSN 5985-01-023-8804
NSN 5990-01-568-5565
NSN 5920-01-550-3971
NSN 5925-01-137-0159
NSN 5855-01-286-9928
NSN 5996-01-281-7336
NSN 6650-01-100-2637
NSN 6610-01-650-6364
NSN 6610-01-399-5222