PartsTable
Technical Data Sheet
50B5 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, tube_type: PENTODE, thread_class: 3B FIRST END, connection_style: GASKET SEAL (BOSS) FIRST END, special_features: MOUNTING FLANGE 1.500 FROM PORT END; BODY STYLE STRAIGHT THROUGH, thread_direction: RIGHT-HAND FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-083-1276, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
50B5
NSN: 4820-00-083-1276
FSC: 4820
CAGE: 91511 — AUTO-VALVE, INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
tube_typePENTODE
thread_class3B FIRST END
connection_styleGASKET SEAL (BOSS) FIRST END
special_featuresMOUNTING FLANGE 1.500 FROM PORT END; BODY STYLE STRAIGHT THROUGH
thread_directionRIGHT-HAND FIRST END
surface_treatmentANODIZE
operating_pressure20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
flow_control_devicePOPPET
nominal_thread_size0.437 INCHES FIRST END IN
maximum_operating_temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
NSN4820-00-083-1276
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 50B5 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD CLASS: 3B FIRST END
CONNECTION STYLE: GASKET SEAL (BOSS) FIRST END
SURFACE TREATMENT: ANODIZE
MAXIMUM OPERATING TEMP: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIAL: ALUMINUM ALLOY BODY
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
SPECIAL FEATURESMOUNTING FLANGE 1.500 FROM PORT END; BODY STYLE STRAIGHT THROUGH
SURFACE TREATMENTANODIZE
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY FLOW CONTROL DEVICE
VALVE OPERATION METHODAUTOMATIC
NOMINAL THREAD SIZE0.437 INCHES FIRST END IN
OPERATING PRESSURE20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
50B5Interchangeable
interchangeable cross-reference
interchangeable
DMS 82109BInterchangeable
interchangeable cross-reference
interchangeable
128SCP167-5Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50B5?
50B5 is a ELECTRON TUBE.
What parts can replace 50B5?
There are 3 known substitutes for 50B5: 50B5, DMS 82109B, 128SCP167-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 50B5?
50B5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-083-1276. This indicates validated use in U.S. government and defense supply chains.
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