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 2925-00-705-5180
NSN 5998-00-181-8541
NSN 5910-01-457-3164
NSN 6150-00-165-5816
NSN 6105-01-044-0193
NSN 6320-01-287-5345
NSN 6110-01-347-4647
NSN 6105-00-831-3552
NSN 5996-01-396-4767
NSN 5930-00-725-6039
NSN 7035-01-042-5308
NSN 5920-00-004-4005