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 5990-01-172-4553
NSN 6685-01-100-2653
NSN 7035-01-387-0493
NSN 5925-01-435-5869
NSN 6130-01-108-0538
NSN 2925-00-033-4621
NSN 6320-01-476-7702
NSN 5930-01-299-9207
NSN 5996-01-027-1729
NSN 5930-01-327-3344
NSN 6650-01-325-1576
NSN 5855-00-586-6255