4820-00-420-8602 VALVE,SAFETY RELIEF Index 4820-00-794-9167 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-791-7459

Federal Supply Class:
4820

National Item Identification Number:
007917459

Description:
COCK,POPPET DRAIN

Detail:
AN ITEM DESIGNED TO DRAIN FLUIDS FROM FUEL SYSTEMS, TANKS, FILTERS, OR SIMILAR ITEMS. IT HAS A MOUNTING END, A FREE FLOWING END, AND A QUICK-ACTING NONMETALLIC SEALED CLOSURE, USUALLY SPRING LOADED, THAT HOLDS IT IN AN "OFF" POSITION. IT REQUIRES NO LUBRICATION OTHER THAN FROM THE FLUID BEING DRAINED.


Manufacturer Information:
3-52928-30JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
3-52928-376823NORTHROP GRUMMAN SYSTEMS CORPORATION
3-52928-379U29NORTHROP GRUMMAN SYSTEMS CORPORATION
740B-1391511AUTO-VALVE, INC


Techincal Specification:
CONNECTION STYLEPLAIN (TUBE) 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MAXIMUM OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORANGLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD QUANTITY PER INCH18 1ST END


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