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PartsTable / COMPONENT / 20003 ASSY 4
20003 ASSY 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,ELECTROMECHANICAL,ROTAR. Key specifications include drive_type: FRICTION, manual_override: INCLUDED, special_features: OUTPUT 1/4 TURN, CRES COVER, DUCTILE IRON HOUSING 6 IN. IN, end_item_identification: VALVES AND ACTUATORS, shaft_rotation_direction: COUNTERCLOCKWISE, output_drive_torque_rating: 4.4 INCH-POUNDS IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-445-0855, 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
20003 ASSY 4
NSN: 4810-01-445-0855
FSC: 4810
CAGE: 66822 — MORPAC INDUSTRIES, INC DIV ACTUATOR (USA)
SPECIFICATIONS
drive_typeFRICTION
manual_overrideINCLUDED
special_featuresOUTPUT 1/4 TURN, CRES COVER, DUCTILE IRON HOUSING 6 IN. IN
end_item_identificationVALVES AND ACTUATORS
shaft_rotation_directionCOUNTERCLOCKWISE
output_drive_torque_rating4.4 INCH-POUNDS IN
NSN4810-01-445-0855
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20003 ASSY 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
•
SHAFT ROTATION DIRECTION: COUNTERCLOCKWISE
•
MANUAL OVERRIDE: INCLUDED
•
DRIVE TYPE: FRICTION
•
OUTPUT DRIVE TORQUE RATING: 4.4 INCH-POUNDS IN
TECHNICAL CHARACTERISTICS (FLIS)
SHAFT ROTATION DIRECTIONCOUNTERCLOCKWISE
MANUAL OVERRIDEINCLUDED
SPECIAL FEATURESOUTPUT 1/4 TURN, CRES COVER, DUCTILE IRON HOUSING 6 IN. IN
END ITEM IDENTIFICATIONVALVES AND ACTUATORS
DRIVE TYPEFRICTION
OUTPUT DRIVE TORQUE RATING4.4 INCH-POUNDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
54800127Interchangeable
interchangeable cross-reference
interchangeable
DM8560NInterchangeable
interchangeable cross-reference
interchangeable
200-034Interchangeable
interchangeable cross-reference
interchangeable
425276-4Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5516Interchangeable
interchangeable cross-reference
interchangeable
A200XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20003 ASSY 4?
20003 ASSY 4 is a ACTUATOR,ELECTROMECHANICAL,ROTAR.
What parts can replace 20003 ASSY 4?
There are 13 known substitutes for 20003 ASSY 4: 54800127, DM8560N, 200-034 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20003 ASSY 4?
20003 ASSY 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-445-0855. 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