4310-00-821-8003 PISTON,COMPRESSOR Index 4820-00-821-8025 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-821-8021

Federal Supply Class:
4820

National Item Identification Number:
008218021

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:
08101-292003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
08101-6AF92003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
10607887-104939LOCKHEED MARTIN CORPORATION
10607887-118876U S ARMY AVIATION AND MISSILE COMMAND
1000319618876U S ARMY AVIATION AND MISSILE COMMAND
10607887-138597LOCKHEED MARTIN CORPORATION
301-00F5909445DUKES AEROSPACE, INC.
633691-41WL60LOCKHEED MARTIN SERVICES, LLC
57A1-238597LOCKHEED MARTIN CORPORATION
49F9798-5980049DEPARTMENT OF THE AIR FORCE
475C59NW91511AUTO-VALVE, INC
475C59W91511AUTO-VALVE, INC
8101-292003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
633691-498897LOCKHEED MARTIN CORP
AV475C59NW91511AUTO-VALVE, INC


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MATERIALRUBBER SYNTHETIC SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL THREAD SIZE0.562 INCHES 1ST END
NOMINAL THREAD SIZE0.562 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD SERIES DESIGNATORUNJF 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END
VALVE OPERATION METHODMANUAL


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