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 5985-00-448-6620
NSN 5855-01-500-6617
NSN 5910-01-367-2230
NSN 6320-01-612-7035
NSN 5990-01-411-5930
NSN 2925-01-228-6554
NSN 5925-01-252-3914
NSN 5950-00-074-8974
NSN 5950-01-460-1221
NSN 6650-00-569-1762
NSN 5996-01-425-1455
NSN 5960-01-131-4086