4820-00-516-3431 VALVE,SAFETY RELIEF Index 1680-00-516-3434 VALVE,CHECK

National Stock Number:
4820-00-516-3433

Federal Supply Class:
4820

National Item Identification Number:
005163433

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
1119-5584313H889PARKER-HANNIFIN CORPORATION
1119-55843145681PARKER-HANNIFIN CORPORATION
1119-55843192003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
633831-398897LOCKHEED MARTIN CORP


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY SEAT
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES 1ST END
RENEWABLE SEAT RING TYPEPRESSED-IN
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH20 1ST END
THREAD SERIES DESIGNATORUNF 1ST END


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