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 5998-01-514-7449
NSN 6620-01-302-1537
NSN 6685-01-493-6122
NSN 5910-00-555-3003
NSN 6610-00-140-1719
NSN 5960-00-959-5226
NSN 5975-01-607-4225
NSN 6135-01-247-5660
NSN 6650-00-382-6080
NSN 5930-00-617-7760
NSN 6650-01-416-9869
NSN 4140-01-224-6994