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G-34 — Technical Data Sheet

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— · 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 DRIVE UNIT,ANGLE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, dial_size: 2-1/2 IN. DIA IN, seat_angle: 12.0 DEGREES ALL ENDS, scale_range: +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS, thread_class: 3A ALL ENDS A, connection_style: FLARELESS ALL ENDS.

This part is cataloged in the Federal Logistics Information System under NSN 4820-00-064-1974, 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
G-34
NSN: 4820-00-064-1974
FSC: 4820
CAGE: 06239 — AUSCO INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
dial_size2-1/2 IN. DIA IN
seat_angle12.0 DEGREES ALL ENDS
scale_range+0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
thread_class3A ALL ENDS A
connection_styleFLARELESS ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.438 INCHES ALL ENDS IN
NSN4820-00-064-1974
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: G-34 · 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
•
NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN
•
DISK LOADING METHOD: SPRING
•
FLOW CONTROL DEVICE: POPPET
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
CONNECTION STYLE: FLARELESS ALL ENDS
•
THREAD CLASS: 3A ALL ENDS A
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
STYLE DESIGNATORSTRAIGHT THRU
MATERIALALUMINUM ALLOY OVERALL
CONNECTION STYLEFLARELESS ALL ENDS
THREAD CLASS3A ALL ENDS A
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
THREAD SERIES DESIGNATORUNF ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
999439InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
69229InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4820PL0143978InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G-34?
G-34 is a DRIVE UNIT,ANGLE.
What parts can replace G-34?
There are 3 known substitutes for G-34: 999439, 69229, 4820PL0143978. Substitute compatibility should be verified for your specific system.
Is G-34 still available?
G-34 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026