0.690 in. Dia; glass sealed
NSN 5990-00-221-0878
NSN 5950-00-212-7827
NSN 6610-00-411-4145
NSN 5920-01-244-9996
NSN 5996-00-960-7810
NSN 6685-01-248-2303
NSN 6145-01-219-1369
NSN 6240-01-529-6624
NSN 5990-01-621-6969
NSN 5975-00-052-8095
NSN 6150-01-008-1485
NSN 6240-01-306-3417
Last Updated: 05/10/2025