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077B6138 — REGULATOR,THERMOSTATIC TEMPERATU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

077B6138: REGULATOR,THERMOSTATIC TEMPERATU.

REGULATOR,THERMOSTATIC TEMPERATU. Key specifications include mounting_method: FLANGE, thermostat_type: COIL SPRING BIMETALLIC, capillary_tube_length: 4.300 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-571-7909, 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
077B6138
NSN: 4820-01-571-7909
FSC: 4820 — Valves, Nonpowered
CAGE: 24976 — DANFOSS INC (USA)
SPECIFICATIONS
mounting_methodFLANGE
thermostat_typeCOIL SPRING BIMETALLIC
capillary_tube_length4.300 INCHES NOMINAL IN
NSN4820-01-571-7909
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 077B6138 · 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
•
MOUNTING METHOD: FLANGE
•
CAPILLARY TUBE LENGTH: 4.300 INCHES NOMINAL IN
•
THERMOSTAT TYPE: COIL SPRING BIMETALLIC
TECHNICAL CHARACTERISTICS
MOUNTING METHODFLANGE
CAPILLARY TUBE LENGTH4.300 INCHES NOMINAL IN
THERMOSTAT TYPECOIL SPRING BIMETALLIC
SUBSTITUTES & CROSS-REFERENCES 2
HSA000538Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
15858Reference 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 077B6138?
077B6138 is a REGULATOR,THERMOSTATIC TEMPERATU.
What parts can replace 077B6138?
There are 2 known substitutes for 077B6138: HSA000538, 15858. Substitute compatibility should be verified for your specific system.
What is the NSN for 077B6138?
077B6138 is cataloged in the U.S. Government catalog under NSN 4820-01-571-7909. 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.