.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 5930-01-304-6124
NSN 4140-01-059-2095
NSN 5965-00-471-5018
NSN 6130-01-596-7910
NSN 6645-00-991-0877
NSN 5950-00-880-6150
NSN 6645-01-171-4528
NSN 6145-01-020-9892
NSN 6110-01-032-9172
NSN 5945-01-498-4452
NSN 6685-01-164-8931
NSN 5925-00-175-9349