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Technical Data Sheet
PartsTable / COMPONENT / 43616-121D
43616-121D ✓ 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

ACTUATOR,HYDRAULIC-PNEUMATIC,ROT. Key specifications include material: COPPER ALLOY BODY, bore_diameter: 1.750 INCHES NOMINAL IN, overall_width: 15.010 INCHES NOMINAL IN, overall_height: 12.880 INCHES NOMINAL IN, pressure_rating: 350.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, design_characteristics: SINGLE ACTING SINGLE CYLINDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-480-7941, 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
43616-121D
NSN: 4810-01-480-7941
FSC: 4810
CAGE: 63600 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV CURTISS-WRIGHT / NU-TORQUE (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
bore_diameter1.750 INCHES NOMINAL IN
overall_width15.010 INCHES NOMINAL IN
overall_height12.880 INCHES NOMINAL IN
pressure_rating350.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
special_featuresHOUSING MATERIAL-CAST SILICON BRONZE; PERFORMANCE AND CONSTRUCTION PER MIL-P-1811A; MOTOR-NSN 4320-01-448-7482; FOR LIMIT SWITCH, HYD. CONNECTORS AND HANDWHEEL SIZE REFER TO P/N TABLE,DWG 40000 A
design_characteristicsSINGLE ACTING SINGLE CYLINDER
end_item_identificationLM2500 MACHINERY CONTROL SYSTEM
integral_valve_operation_methodHYDRAULIC OR MECHANICAL
part_name_assigned_by_controlling_agencyHYD. MOTOR QUARTER TURN ACTUATOR, 4K-15K IN LBS
NSN4810-01-480-7941
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 43616-121D · 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
•
BORE DIAMETER: 1.750 INCHES NOMINAL IN
•
PRESSURE RATING: 350.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
INTEGRAL VALVE OPERATION METHOD: HYDRAULIC OR MECHANICAL
•
DESIGN CHARACTERISTICS: SINGLE ACTING SINGLE CYLINDER
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER1.750 INCHES NOMINAL IN
PRESSURE RATING350.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
INTEGRAL VALVE OPERATION METHODHYDRAULIC OR MECHANICAL
SPECIAL FEATURESHOUSING MATERIAL-CAST SILICON BRONZE; PERFORMANCE AND CONSTRUCTION PER MIL-P-1811A; MOTOR-NSN 4320-01-448-7482; FOR LIMIT SWITCH, HYD. CONNECTORS AND HANDWHEEL SIZE REFER TO P/N TABLE,DWG 40000 A
PART NAME ASSIGNED BY CONTROLLING AGENCYHYD. MOTOR QUARTER TURN ACTUATOR, 4K-15K IN LBS
END ITEM IDENTIFICATIONLM2500 MACHINERY CONTROL SYSTEM
OVERALL WIDTH15.010 INCHES NOMINAL IN
DESIGN CHARACTERISTICSSINGLE ACTING SINGLE CYLINDER
OVERALL HEIGHT12.880 INCHES NOMINAL IN
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
43616Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-383Interchangeable
interchangeable cross-reference
interchangeable
43616-1236Interchangeable
interchangeable cross-reference
interchangeable
40000Interchangeable
interchangeable cross-reference
interchangeable
44810Interchangeable
interchangeable cross-reference
interchangeable
44810-999-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43616-121D?
43616-121D is a ACTUATOR,HYDRAULIC-PNEUMATIC,ROT.
What parts can replace 43616-121D?
There are 16 known substitutes for 43616-121D: 43616, GGG-B-383, 43616-1236 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 43616-121D?
43616-121D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-480-7941. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026