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National Stock Number:
1730-01-498-2526
Federal Supply Class:
1730
National Item Identification Number:
014982526
Description:
JACK,AIRCRAFT LANDING GEAR
Detail:
A LIFTING DEVICE WHICH CONSISTS BASICALLY OF A RAM(S) ACTUATED BY A HYDRAULIC PUMP(S). ONE END OF THE RAM(S) IS DESIGNED SPECIFICALLY TO MATE WITH THE JACKING POINTS ON THE LANDING GEAR OF AN AIRCRAFT. IT MAY HAVE A WHEELED BASE WITH A DRAWBAR FOR MOBILITY. EXCLUDES JACK, DOLLY TYPE, HYDRAULIC AND JACK, HYDRAULIC, HAND.
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Manufacturer Information:
| 371R1100 | 00994 | COLUMBUS JACK CORPORATION |
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Techincal Specification:
| BASE WIDTH | 46.000 INCHES NOMINAL | | BASE LENGTH | 87.000 INCHES NOMINAL | | CRITICALITY CODE JUSTIFICATION | AGAV | | DESIGN TYPE | SELF-CONTAINED | | EXTENDED HEIGHT | 27.000 INCHES | | LOAD CAPACITY | 90000.0 POUNDS MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | JACK, ACFT AXLE, 45 TON, MODEL A45-20R/MODEL 4504 | | MOVEMENT TYPE | MOBILE | | SPECIAL FEATURES | 3 WHEELED, TOWABLED VEHICLE WITH HYDRAULICALLY ACTUATED BEAM; LIFTS 45 TONS; REAR HAS SINGLE WHEEL CARRIED IN A SPRING-DAMPED YOKE; FRONT (TOW-BAR END) HAS 2 CASTERING WHEELS; HAS 2 BEARING-PIVOTED OUTRIGGERS POSITIONED IN TRIPOD CONFIGURATION FOR JACKING OPER. OR SWUNG TOGETHER AND CHAIN-LOCKED FOR TOWING; CURVED JACKING BEAM, PIVOTED ON A BEARING SLEEVE AND PIN AT ONE END, IS MOVED UPWARD FOR LIFTING BY A HYDRAULIC CYLINDER CONNECTED TO THE CURVED PART OF THE BEAM AND ACTUATED BY 2 MANUALLY OPERATED PUMPS MOUNTED ON A MANIFOLD CONNECTED TO 8 GALLON HYDRAULIC RESERVOIR; SINGLE HANDLE, STORED WHEN NOT IN USE IN MOUNTING BRACKETS ON TOW BAR, IS USED TO OPERATE THE PUMPS, DRAWING FLUID FROM THE RESERVOIR INTO MANIFOLD, THRU HOSE ASSY TO ACTUATING CYLINDER; HAS REMOVABLE ACCESS COVER PLATES AND DIPSTICK FOR DETERMINING LEVEL OF FLUID IN RESERVOIR |
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