.614 inside diameter
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 5998-01-604-4563
NSN 5925-00-258-9814
NSN 5975-00-514-8614
NSN 6145-01-387-5560
NSN 5920-01-181-1579
NSN 5835-01-128-9331
NSN 6645-01-496-7144
NSN 6110-00-663-4054
NSN 6240-00-082-1142
NSN 2925-01-248-6028
NSN 5950-01-066-1341
NSN 5950-00-972-4933