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 5930-00-888-3694
NSN 5950-01-195-1388
NSN 5925-01-142-4479
NSN 5990-01-510-1430
NSN 6240-00-792-5469
NSN 4140-00-421-4555
NSN 6620-01-197-7665
NSN 5998-01-283-2065
NSN 5920-01-381-8905
NSN 5895-01-139-1539
NSN 6220-00-825-2783
NSN 6130-00-173-3987