Model 73b back with timer and validation plate
No other part numbers with same form, fit, and function found.
Classification: Apparatus & equipment, automatically developing photographic film/paper in rolls, automatically exposing developing film to roll of photographic paper
NSN 5855-00-149-0766
NSN 5998-01-014-4557
NSN 5925-00-421-7817
NSN 5975-00-844-2892
NSN 5920-01-591-0490
NSN 2925-01-340-3411
NSN 5975-00-501-6640
NSN 6645-00-566-5537
NSN 4140-01-181-9669
NSN 4140-01-407-0437
NSN 6220-01-551-9395
NSN 6685-01-147-4532