A filter designed to be used with an airport runway marker light.
NSN 6610-00-255-8770
NSN 5990-01-285-4633
NSN 6685-00-926-8341
NSN 5905-01-382-9671
NSN 5950-01-433-9143
NSN 5945-01-204-3507
NSN 5925-01-096-8607
NSN 6150-01-277-0574
NSN 5855-01-152-8782
NSN 5895-01-335-3277
NSN 6650-01-278-6645
NSN 5935-01-202-7714