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 5990-01-517-1909
NSN 2925-01-363-5978
NSN 5998-01-617-9504
NSN 5950-00-421-3629
NSN 5895-01-138-5450
NSN 6145-01-372-9551
NSN 5835-01-511-5337
NSN 6150-01-554-7504
NSN 5996-01-341-0828
NSN 6620-01-388-8955
NSN 5930-00-954-8416
NSN 5925-01-535-1053