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 5930-01-159-0925
NSN 5960-01-065-7900
NSN 5998-01-278-9713
NSN 5998-01-245-1391
NSN 6685-01-152-2846
NSN 5930-01-116-2944
NSN 6220-00-902-7328
NSN 5965-01-170-5705
NSN 4140-00-953-9335
NSN 6610-00-641-3015
NSN 5910-00-448-3192
NSN 5996-00-389-0065