"FOR VIRBRATION AND MECHANICAL SHOCK TESTING - MASS OF FLOAT SW ASSEMBLY SHALL BE SIMULATED BY A WEIGHT OF .72LBS; FUNCTIONAL TEST SETUP SHALL INCLUDE A SIMULATION OF FLOAT SWITCH VOLUME, TANK CONTOUR AND BULKHEAD LOCATION; REOPENING TIME (ASCENDING FUEL): 10 SECONDS MINIMUM - 15 SECONDS MAXIMUM ; PROVIDE 8- MESH WIRE SCREEN (OR EQUIVALENT) AT TRANSFER PORT; WIRE SCREEN SHALL BE FABRICATED IN GENERAL ACCORDANCE WITH FEDERAL SPECIFICATION RR-S-141"