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 5996-00-432-8578
NSN 6220-00-450-7689
NSN 5930-01-020-4967
NSN 6240-00-442-6327
NSN 6620-01-519-2628
NSN 5835-01-238-3381
NSN 5915-00-104-3119
NSN 6685-01-555-3596
NSN 5998-01-324-3050
NSN 5950-01-298-9341
NSN 5855-01-100-3272
NSN 6105-01-094-5268