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 5855-01-325-9507
NSN 5985-01-222-9584
NSN 5910-01-520-5595
NSN 5975-00-283-3665
NSN 5915-01-152-0140
NSN 6610-01-593-8179
NSN 4140-01-325-6972
NSN 6240-01-190-9523
NSN 5920-01-376-4926
NSN 5998-01-385-9078
NSN 6150-00-611-8093
NSN 5998-00-741-2321