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50146-27 — REGULATOR,THERMOSTATIC TEMPERATU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

50146-27: REGULATOR,THERMOSTATIC TEMPERATU.

REGULATOR,THERMOSTATIC TEMPERATU. Key specifications include thermostat_type: COIL SPRING BIMETALLIC, special_features: 12.00 INCHES IN LENGTH; END ITEM IS AN "ALTERNATE THERMOSTATIC ASSEMBLY" SHOWN IN DETAIL OF THE DRAWING. IN, end_item_identification: THERMOSTATIC TEMPERATURE REGULATOR VALVE ASSEMBLY, part_name_assigned_by_controlling_agency: ALTERNATE THERMOSTATIC ASSEMBLY.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-580-0862, 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
50146-27
NSN: 4820-01-580-0862
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
thermostat_typeCOIL SPRING BIMETALLIC
special_features12.00 INCHES IN LENGTH; END ITEM IS AN "ALTERNATE THERMOSTATIC ASSEMBLY" SHOWN IN DETAIL OF THE DRAWING. IN
end_item_identificationTHERMOSTATIC TEMPERATURE REGULATOR VALVE ASSEMBLY
part_name_assigned_by_controlling_agencyALTERNATE THERMOSTATIC ASSEMBLY
NSN4820-01-580-0862
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 50146-27 · 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
•
THERMOSTAT TYPE: COIL SPRING BIMETALLIC
TECHNICAL CHARACTERISTICS
THERMOSTAT TYPECOIL SPRING BIMETALLIC
SPECIAL FEATURES12.00 INCHES IN LENGTH; END ITEM IS AN "ALTERNATE THERMOSTATIC ASSEMBLY" SHOWN IN DETAIL OF THE DRAWING. IN
PART NAME ASSIGNED BY CONTROLLING AGENCYALTERNATE THERMOSTATIC ASSEMBLY
END ITEM IDENTIFICATIONTHERMOSTATIC TEMPERATURE REGULATOR VALVE ASSEMBLY
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
40055-4 PC 35 P/N 50146-27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50146-27?
50146-27 is a REGULATOR,THERMOSTATIC TEMPERATU.
What parts can replace 50146-27?
There is 1 known substitute for 50146-27: 40055-4 PC 35 P/N 50146-27. Substitute compatibility should be verified for your specific system.
What is the NSN for 50146-27?
50146-27 is cataloged in the U.S. Government catalog under NSN 4820-01-580-0862. 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.