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Technical Data Sheet
PartsTable / COMPONENT / 40041-503
40041-503 ✓ 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 VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, bulb_length: 12.000 INCHES NOMINAL IN, bulb_diameter: 0.750 INCHES NOMINAL IN, temp_adjustability: ADJUSTABLE, flow_control_device: PISTON, BOTTOM GUIDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-204-0594, 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
40041-503
NSN: 4820-01-204-0594
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
bulb_length12.000 INCHES NOMINAL IN
bulb_diameter0.750 INCHES NOMINAL IN
temp_adjustabilityADJUSTABLE
flow_control_devicePISTON, BOTTOM GUIDED
thermostatic_elementLIQUID IMMERSION TYPE
capillary_tube_length120.000 INCHES NOMINAL IN
face_to_face_distance5.250 INCHES NOMINAL IN
end_connection_quantity2
first_end_connection_typeRAISED FACE FLANGE
first_end_flange_thickness0.438 INCHES NOMINAL IN
NSN4820-01-204-0594
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40041-503 · 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 DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM
•
MATERIAL: STEEL UNS J03007 BODY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL UNS J03007 BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-15083, CLASS CW MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALCOPPER ALLOY BULB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
THERMOSTATIC ELEMENTLIQUID IMMERSION TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
4004-1Interchangeable
interchangeable cross-reference
interchangeable
UG212AUInterchangeable
interchangeable cross-reference
interchangeable
RE49D349Interchangeable
interchangeable cross-reference
interchangeable
152A654H01Interchangeable
interchangeable cross-reference
interchangeable
L-13743Interchangeable
interchangeable cross-reference
interchangeable
052827Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40041-503?
40041-503 is a VALVE,REGULATING,TEMPERATURE.
What parts can replace 40041-503?
There are 13 known substitutes for 40041-503: 4004-1, UG212AU, RE49D349 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40041-503?
40041-503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-204-0594. 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