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 5985-01-653-1722
NSN 6105-01-423-1417
NSN 6130-00-841-7561
NSN 6135-01-180-9611
NSN 6620-01-132-5190
NSN 5950-01-503-3625
NSN 5999-00-765-3035
NSN 6685-00-359-5569
NSN 5990-01-512-9129
NSN 5930-00-575-9069
NSN 6220-00-678-3915
NSN 5996-01-273-8033