Lens glass; body plated steel; fluid temp max 225f max; working pressure 12-18 psig; max operating pressure 50psig;
An item consisting of two separate mounting brackets, one having an aperture with cross hairs, the other with a plain aperture; or each with a fitted device with such apertures. It is attached to a level or straightedge and is used as an inexpensive substitute for surveyors' instruments to level and align walls, grades, fences, and the like. See also level, surveying.
Classification: Parts and accessories for surveying
NSN 2925-01-248-2269
NSN 5996-01-290-4844
NSN 5925-00-369-1388
NSN 6150-00-247-6246
NSN 6220-00-173-3967
NSN 5985-00-111-6261
NSN 5945-01-483-1316
NSN 5945-00-111-2050
NSN 5935-01-088-3931
NSN 6650-00-705-0269
NSN 6110-00-034-3710
NSN 5930-01-117-1388