PartsTable
Technical Data Sheet
634212-3 ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include thread_class: 3B FIRST END, connection_type: THREADED INTERNAL BOSS FIRST END, connection_style: GASKET SEAL(BOSS) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, aperture_diameter: 0.156 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-618-5528, 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
634212-3
NSN: 4810-00-618-5528
FSC: 4810
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
thread_class3B FIRST END
connection_typeTHREADED INTERNAL BOSS FIRST END
connection_styleGASKET SEAL(BOSS) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
aperture_diameter0.156 INCHES NOMINAL IN
mounting_positionHORIZONTAL
surface_treatmentANODIZE
operating_pressure20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.062 INCHES FIRST END IN
valve_operation_methodSOLENOID
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NSN4810-00-618-5528
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 634212-3 · 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
CONNECTION STYLE: GASKET SEAL(BOSS) FIRST END
MOUNTING POSITION: HORIZONTAL
VALVE OPERATION METHOD: SOLENOID
FLOW CONTROL DEVICE NORMAL OPERATION POSITION: CLOSED
APERTURE DIAMETER: 0.156 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 12 FIRST END
THREAD DIRECTION: RIGHT-HAND FIRST END
THREAD CLASS: 3B FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEGASKET SEAL(BOSS) FIRST END
MOUNTING POSITIONHORIZONTAL
VALVE OPERATION METHODSOLENOID
FLOW CONTROL DEVICE NORMAL OPERATION POSITIONCLOSED
APERTURE DIAMETER0.156 INCHES NOMINAL IN
THREAD QUANTITY PER INCH12 FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD CLASS3B FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
2079-1Interchangeable
interchangeable cross-reference
interchangeable
919482-1Interchangeable
interchangeable cross-reference
interchangeable
101723Interchangeable
interchangeable cross-reference
interchangeable
2079Interchangeable
interchangeable cross-reference
interchangeable
2140Interchangeable
interchangeable cross-reference
interchangeable
674-1816-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 634212-3?
634212-3 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace 634212-3?
There are 23 known substitutes for 634212-3: 2079-1, 919482-1, 101723 and 20 more. Substitute compatibility should be verified for your specific system.
Is 634212-3 still available?
634212-3 is currently cancelled.
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