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 5999-01-142-4749
NSN 6220-01-123-9290
NSN 6320-00-646-3311
NSN 5990-01-131-9055
NSN 5985-01-074-7877
NSN 6150-01-391-2680
NSN 7035-01-381-7622
NSN 5950-01-529-9548
NSN 5945-01-381-2038
NSN 5999-00-242-5787
NSN 7035-01-443-3052
NSN 6150-00-901-3200