PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 751-6402503-4
751-6402503-4 ✓ 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: ALUMINUM BODY, design_characteristics: SINGLE ACTING TWIN CYLINDER, end_item_identification: LOS ANGELES CLASS SSN (688), output_drive_torque_rating: 5100.0 INCH-POUNDS IN, integral_valve_operation_method: HYDRAULIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-420-1037, 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
751-6402503-4
NSN: 4810-01-420-1037
FSC: 4810
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM BODY
design_characteristicsSINGLE ACTING TWIN CYLINDER
end_item_identificationLOS ANGELES CLASS SSN (688)
output_drive_torque_rating5100.0 INCH-POUNDS IN
integral_valve_operation_methodHYDRAULIC
NSN4810-01-420-1037
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 751-6402503-4 · 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
•
MATERIAL: ALUMINUM BODY
•
OUTPUT DRIVE TORQUE RATING: 5100.0 INCH-POUNDS IN
•
DESIGN CHARACTERISTICS: SINGLE ACTING TWIN CYLINDER
•
INTEGRAL VALVE OPERATION METHOD: HYDRAULIC
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM BODY
OUTPUT DRIVE TORQUE RATING5100.0 INCH-POUNDS IN
DESIGN CHARACTERISTICSSINGLE ACTING TWIN CYLINDER
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688)
INTEGRAL VALVE OPERATION METHODHYDRAULIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
37333Interchangeable
interchangeable cross-reference
interchangeable
4000-37330Interchangeable
interchangeable cross-reference
interchangeable
4000-37330 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
4000-37330 ITEM 2Interchangeable
interchangeable cross-reference
interchangeable
37332Interchangeable
interchangeable cross-reference
interchangeable
37336Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 751-6402503-4?
751-6402503-4 is a ACTUATOR,HYDRAULIC-PNEUMATIC,ROT.
What parts can replace 751-6402503-4?
There are 18 known substitutes for 751-6402503-4: 37333, 4000-37330, 4000-37330 ITEM 3 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402503-4?
751-6402503-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-420-1037. 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