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 5985-00-752-3222
NSN 6320-01-201-2776
NSN 5930-01-343-0846
NSN 6135-01-174-9195
NSN 6130-01-240-7078
NSN 5950-00-288-1812
NSN 6685-00-244-4974
NSN 5996-00-351-2369
NSN 5998-01-062-7628
NSN 6150-01-109-6824
NSN 5910-01-510-8743
NSN 6240-00-445-4765