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 2925-01-231-6312
NSN 5905-00-960-6807
NSN 5975-00-228-0052
NSN 6130-01-270-2277
NSN 5950-00-863-8099
NSN 7035-01-088-6415
NSN 5925-01-026-9649
NSN 4140-00-459-9045
NSN 5915-01-063-8234
NSN 5905-01-331-9675
NSN 6150-01-025-7338
NSN 5915-00-244-1702