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National Stock Number:
4820-01-514-0889
Federal Supply Class:
4820
National Item Identification Number:
015140889
Description:
VALVE,HOLD,BOOM HOIST CYLINDER
Detail:
A MULTI PORT VALVE, OR CARTRIDGE, USED AS PART OF A HYDRAULIC SYSTEMS TO LOCK AND/OR CONTROL THE LOAD MOVEMENT OF A HOIST BOOM. IT MAY BE PILOT OPERATED.
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Manufacturer Information:
| 7457365-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 3:1 PILOT RATIO STANDARD COUNTERBALANCE VALVE | | OPENING PRESSURE SETTING | 25.0 POUNDS PER SQUARE INCH | | PILOT RATIO | 3 TO 1 | | SPECIAL FEATURES | STANDARD SCREW ADJUSTMENT; 1000-4000 PSI W/ 25 PSI CHECK FUNCTIONAL SETTING RANGE; BUNA-N SEAL; ALTERED ITEM DWG BY MACHINING NO.4 O-RING PORT TO INTERSECT W/ PORT NO.2. | | VALVE DISCHARGE FLOW RATE | 60.0 GALLONS PER MINUTE | | VALVE OPERATION METHOD | PILOT |
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