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 6150-00-772-4669
NSN 5895-01-445-6161
NSN 5920-01-327-1747
NSN 6135-00-471-5356
NSN 5985-00-507-9574
NSN 6320-01-106-4414
NSN 6650-01-113-2000
NSN 6135-00-985-7845
NSN 6645-01-582-9833
NSN 5945-01-136-5359
NSN 4140-01-601-0610
NSN 5998-01-399-5313