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National Stock Number:
4820-01-363-3582
Federal Supply Class:
4820
National Item Identification Number:
013633582
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:
| 16P1002 | 82829 | ALLEN AIRCRAFT PRODUCTS INC | | 16P139 | 82829 | ALLEN AIRCRAFT PRODUCTS INC | | 17B2N9009-1 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION STYLE | BELL (PIPE) ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | FLOW CONTROL DEVICE | POPPET | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T351 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T351 FED SPEC SINGLE MATERIAL RESPONSE STEM | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | ALUMINUM ALLOY 2024 SEAT | | MATERIAL | ALUMINUM ALLOY 2024 STEM | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | NITROGEN, GASEOUS SECOND RESPONSE | | OPERATING PRESSURE | 425.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | SPECIAL FEATURES | ADD'L MATERIAL DATA: CAP,HOUSING & CARRIAGE,POPPET: ALUM ALLOY,QQ-A-225/6,ALLOY 2024,T351,ANODIZE PER MIL-A-8625,CLASS II; POPPET,VALVE,- 2024-T351 ETHYLENE PROPYLENE,ANODIZE PER MIL-A-8625,CLASS II; SPRING,COM-PRESSION,MUSIC WIRE; PACKING,O-RING,ETHYLENE PROPYLENE; WASHER,FLAT & SCREW,BUTTON HD. (NYLOK),STEEL,CRE; PELLET,NYLON,-TYPE 6/6 L-P-410A; RATED FLOW-50 LBS/MINUTE MAX @ 265 PSIA @ 0 DEG F; PRESSURE DROP 65 PSI MAX @ 265 PSIA @ 0 DEG F AND A RATED FLOW OF 50 LBS/MINUTE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,CLASS II MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED | | SURFACE TREATMENT | ANODIZE LOCATION NOT OTHERWISE SPECIFIED |
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