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 5985-00-156-7335
NSN 6320-00-937-5625
NSN 5990-01-023-3307
NSN 6130-01-557-8041
NSN 5960-01-487-4791
NSN 5905-00-550-9991
NSN 5990-01-370-5684
NSN 5999-01-634-0576
NSN 5930-00-266-8175
NSN 5975-00-177-2957
NSN 5945-01-125-0682
NSN 6650-01-442-7893