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 5998-01-604-5211
NSN 5855-01-441-0401
NSN 6620-01-392-7191
NSN 6620-01-456-0529
NSN 4140-01-210-3260
NSN 6240-01-040-5530
NSN 5990-00-976-9496
NSN 6610-01-291-4173
NSN 6130-01-486-3574
NSN 5975-00-246-4906
NSN 6145-00-144-0918
NSN 5996-00-880-4083