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4065566 — REGULATOR,THERMOSTATIC TEMPERATU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4065566: REGULATOR,THERMOSTATIC TEMPERATU.

REGULATOR,THERMOSTATIC TEMPERATU. Key specifications include mounting_method: FLANGE, thermostat_type: BULB, opening_temp_rating: 111.0 FAHRENHEIT NOMINAL DEGF, end_item_identification: BEAR POWER UNIT, largest_outside_diameter: 2.893 INCHES MINIMUM AND 2.903 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-618-4514, 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
4065566
NSN: 4820-01-618-4514
FSC: 4820 — Valves, Nonpowered
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
mounting_methodFLANGE
thermostat_typeBULB
opening_temp_rating111.0 FAHRENHEIT NOMINAL DEGF
end_item_identificationBEAR POWER UNIT
largest_outside_diameter2.893 INCHES MINIMUM AND 2.903 INCHES MAXIMUM IN
NSN4820-01-618-4514
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4065566 · 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
•
LARGEST OUTSIDE DIAMETER: 2.893 INCHES MINIMUM AND 2.903 INCHES MAXIMUM IN
•
MOUNTING METHOD: FLANGE
•
THERMOSTAT TYPE: BULB
•
OPENING TEMP RATING: 111.0 FAHRENHEIT NOMINAL DEGF
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER2.893 INCHES MINIMUM AND 2.903 INCHES MAXIMUM IN
MOUNTING METHODFLANGE
THERMOSTAT TYPEBULB
END ITEM IDENTIFICATIONBEAR POWER UNIT
OPENING TEMP RATING111.0 FAHRENHEIT NOMINAL DEGF
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
3651379Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4065566?
4065566 is a REGULATOR,THERMOSTATIC TEMPERATU.
What parts can replace 4065566?
There is 1 known substitute for 4065566: 3651379. Substitute compatibility should be verified for your specific system.
What is the NSN for 4065566?
4065566 is cataloged in the U.S. Government catalog under NSN 4820-01-618-4514. 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.