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 TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEPLAIN (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
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 QUANTITY PER INCH18 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
VALVE OPERATION METHODMANUAL


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