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T498A1786 — REGULATOR,THERMOSTATIC TEMPERATU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

T498A1786: REGULATOR,THERMOSTATIC TEMPERATU.

REGULATOR,THERMOSTATIC TEMPERATU. Key specifications include usage_design: HEAT, overall_height: 116.0 MILLIMETERS NOMINAL MM, mounting_method: SURFACE, thermostat_type: COIL SPRING BIMETALLIC, operating_temp_rating: 30.0 CELSIUS MAXIMUM DEGC, part_name_assigned_by_controlling_agency: ELECTRIC HEAT THERMOSTAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-668-2824, 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
T498A1786
NSN: 4820-01-668-2824
FSC: 4820 — Valves, Nonpowered
CAGE: 0B7T5 — HONEYWELL INTERNATIONAL INC DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
usage_designHEAT
overall_height116.0 MILLIMETERS NOMINAL MM
mounting_methodSURFACE
thermostat_typeCOIL SPRING BIMETALLIC
operating_temp_rating30.0 CELSIUS MAXIMUM DEGC
part_name_assigned_by_controlling_agencyELECTRIC HEAT THERMOSTAT
NSN4820-01-668-2824
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: T498A1786 · 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: SURFACE
•
OPERATING TEMP RATING: 30.0 CELSIUS MAXIMUM DEGC
•
THERMOSTAT TYPE: COIL SPRING BIMETALLIC
•
USAGE DESIGN: HEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT116.0 MILLIMETERS NOMINAL MM
MOUNTING METHODSURFACE
OPERATING TEMP RATING30.0 CELSIUS MAXIMUM DEGC
THERMOSTAT TYPECOIL SPRING BIMETALLIC
PART NAME ASSIGNED BY CONTROLLING AGENCYELECTRIC HEAT THERMOSTAT
USAGE DESIGNHEAT
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T498A1786?
T498A1786 is a REGULATOR,THERMOSTATIC TEMPERATU.
What is the NSN for T498A1786?
T498A1786 is cataloged in the U.S. Government catalog under NSN 4820-01-668-2824. 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.