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National Stock Number:
4820-01-612-9709
Federal Supply Class:
4820
National Item Identification Number:
016129709
Description:
VALVE,SAFETY RELIEF
Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
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Manufacturer Information:
| 02596739 | 1FLG9 | HYDAC TECHNOLOGY CORP | | 3933350 | 45152 | OSHKOSH CORP | | 3933350 | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| MATERIAL | STEEL BODY | | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE,DOUBLE RELIEF | | PROPRIETARY CHARACTERISTICS | PACS | | MAXIMUM OPERATING PRESSURE | 9500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE | | NOMINAL LENGTH | 4.260 INCHES ALL ENDS | | NOMINAL WIDTH | 3.540 INCHES ALL ENDS | | SPECIAL FEATURES | FINISH: .002-.003 INCH THICK ZINC PLATING;PORT SIZES: P1B,P2B: SAE NUMBER 4 (7/16-20 UN-2B);P1,P2,T1,T2: SAE NUMBER 6 (9/16-18 UN-2B);VISCOSITY RANGE: MIN 5 SUSC,MAX 2000 SUS;CRACKING PRESSURE: 4930 PSI/340 BAR;FULL FLOW PRESSURE: 5147.5 PSI/355 BAR;MAXIMUM FLOW RATE: 20 GPM;FILTRATION: MAXIMUM PERMISSIBLE CONTAMINATION LEVEL OF OPERATIONG FLUID TO ISO 4406 CLASS 21/19/16 | | SURFACE TREATMENT | ZINC |
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