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40577-501 — VALVE,REGULATING,TEMPERATURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40577-501: VALVE,REGULATING,TEMPERATURE.

The VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, body_style: STRAIGHT THRU, flow_control_device: PISTON, SPRING LOADED, face_to_face_distance: 10.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-260-1980, 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
40577-501
NSN: 4820-01-260-1980
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
body_styleSTRAIGHT THRU
flow_control_devicePISTON, SPRING LOADED
face_to_face_distance10.375 INCHES NOMINAL IN
end_connection_quantity2
NSN4820-01-260-1980
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40577-501 · 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
•
FLOW CONTROL DEVICE: PISTON, SPRING LOADED
•
BODY STYLE: STRAIGHT THRU
•
FACE TO FACE DISTANCE: 10.375 INCHES NOMINAL IN
•
END CONNECTION QUANTITY: 2
•
MATERIAL: STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPISTON, SPRING LOADED
BODY STYLESTRAIGHT THRU
FACE TO FACE DISTANCE10.375 INCHES NOMINAL IN
END CONNECTION QUANTITY2
MATERIALSTEEL CORROSION RESISTING BODY
SUBSTITUTES & CROSS-REFERENCES 1
40577-5Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40577-501?
40577-501 is a VALVE,REGULATING,TEMPERATURE.
What parts can replace 40577-501?
There is 1 known substitute for 40577-501: 40577-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 40577-501?
40577-501 is cataloged in the U.S. Government catalog under NSN 4820-01-260-1980. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.