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 5935-00-288-5973
NSN 5915-00-525-5753
NSN 5835-01-362-8367
NSN 6130-01-032-8098
NSN 5985-01-634-0635
NSN 6610-01-474-8520
NSN 5935-01-306-2879
NSN 2925-01-448-2880
NSN 2925-01-448-2880
NSN 6620-00-933-1276
NSN 6620-01-286-2204
NSN 5990-01-514-8708