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40143-402 — VALVE,REGULATING,TEMPERATURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40143-402: VALVE,REGULATING,TEMPERATURE.

The VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, body_style: STRAIGHT THRU, special_features: VALVE SIZE 1.250 IN. IN, thermostatic_element: INTEGRAL W/VALVE, two-way_valve_action: REVERSE ACTING.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-284-1067, 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
40143-402
NSN: 4820-01-284-1067
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleSTRAIGHT THRU
special_featuresVALVE SIZE 1.250 IN. IN
thermostatic_elementINTEGRAL W/VALVE
two-way_valve_actionREVERSE ACTING
end_connection_quantity2
NSN4820-01-284-1067
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40143-402 · 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
•
TWO-WAY VALVE ACTION: REVERSE ACTING
•
BODY STYLE: STRAIGHT THRU
•
END CONNECTION QUANTITY: 2
•
THERMOSTATIC ELEMENT: INTEGRAL W/VALVE
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
TWO-WAY VALVE ACTIONREVERSE ACTING
BODY STYLESTRAIGHT THRU
END CONNECTION QUANTITY2
SPECIAL FEATURESVALVE SIZE 1.250 IN. IN
THERMOSTATIC ELEMENTINTEGRAL W/VALVE
MATERIALCOPPER ALLOY BODY
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALCOPPER ALLOY SEAT
MATERIALPLASTIC TETRAFLUOROETHYLENE PACKING
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
40143 ASSY 40143-402Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 40143-402?
40143-402 is a VALVE,REGULATING,TEMPERATURE.
What parts can replace 40143-402?
There is 1 known substitute for 40143-402: 40143 ASSY 40143-402. Substitute compatibility should be verified for your specific system.
What is the NSN for 40143-402?
40143-402 is cataloged in the U.S. Government catalog under NSN 4820-01-284-1067. 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.