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National Stock Number:
4820-01-454-5006
Federal Supply Class:
4820
National Item Identification Number:
014545006
Description:
VALVE,RELIEF,PRESSURE AND TEMPER
Detail:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.
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Manufacturer Information:
| 56-4900-1 | 0PXV4 | THE BOEING COMPANY | | 56-4900-1 | 76301 | THE BOEING COMPANY | | 56-4900-1 | 96736 | AEROCONTROLEX GROUP, INC. |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, REFIEF-HOT FUEL RECIRC | | SPECIAL FEATURES | ELECTRICAL BONDING PER MIL-B-5087B, TEMPERATURE RANGE FUEL -65 DEGREE F TO 300 DEGREE F, TEMPERATURE RANGE AMBIENT -65 DEGREE F TO 300 DEGREE F, PRESSURE RATING FOR OPERTING 0 - 275 PSID, PROOF 550 PSID, BURST 825 PSID, CRACK 400 PSID MIN AT 20 CC/MIN, RESEAT 380 PSID AT 1CC/MIN MAX, LEAKAGE: EXTERNAL ZERO, INTERNAL 1CC/MIN MAX FROM ZERO TO 380 PSID, FLUID JP4 OR JP5 PER MIL-T-5624, FLOW 15 GPM AT 460 PSID, MACHINED SURFACES CONCENTRICITIES .005 TIR, THREADS PER MIL-S-7742, INTERNA RADII .005 - .015, SYMMETRIES .010, CAMPHERS 45 DEGREES, OVERALL VALVE LENGTH 3.30 INCHES, VALVE DIAMETER 1.50 INCHES MAXIMUM | | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
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