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 6320-01-399-6177
NSN 4140-01-062-7244
NSN 5930-01-634-0659
NSN 6240-01-416-7138
NSN 6620-00-891-4658
NSN 5910-01-305-6179
NSN 5930-00-221-5070
NSN 6135-01-243-5797
NSN 6220-01-519-2252
NSN 6240-01-126-9167
NSN 5930-00-195-9428
NSN 6650-00-472-8486