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40056-1 PC 1 — REGULATOR,THERMOSTATIC TEMPERATU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40056-1 PC 1: REGULATOR,THERMOSTATIC TEMPERATU.

REGULATOR,THERMOSTATIC TEMPERATU. Key specifications include usage_design: CONTROL TEMPERATURE REGULATOR VALVE, bulb_diameter: 1.125 INCHES NOMINAL IN, thermostat_type: BULB, capillary_tube_length: 120.000 INCHES NOMINAL IN, operating_temp_rating: 75.0 FAHRENHEIT MINIMUM AND 105.0 FAHRENHEIT MAXIMUM DEGF, end_item_identification: NIMITZ CLASS CVN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-443-4112, 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
40056-1 PC 1
NSN: 4820-01-443-4112
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
usage_designCONTROL TEMPERATURE REGULATOR VALVE
bulb_diameter1.125 INCHES NOMINAL IN
thermostat_typeBULB
capillary_tube_length120.000 INCHES NOMINAL IN
operating_temp_rating75.0 FAHRENHEIT MINIMUM AND 105.0 FAHRENHEIT MAXIMUM DEGF
end_item_identificationNIMITZ CLASS CVN
valve_size_for_which_designed2.500 INCHES IN
NSN4820-01-443-4112
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40056-1 PC 1 · 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
•
BULB DIAMETER: 1.125 INCHES NOMINAL IN
•
CAPILLARY TUBE LENGTH: 120.000 INCHES NOMINAL IN
•
VALVE SIZE FOR WHICH DESIGNED: 2.500 INCHES IN
•
OPERATING TEMP RATING: 75.0 FAHRENHEIT MINIMUM AND 105.0 FAHRENHEIT MAXIMUM DEGF
•
THERMOSTAT TYPE: BULB
•
USAGE DESIGN: CONTROL TEMPERATURE REGULATOR VALVE
TECHNICAL CHARACTERISTICS
BULB DIAMETER1.125 INCHES NOMINAL IN
CAPILLARY TUBE LENGTH120.000 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED2.500 INCHES IN
OPERATING TEMP RATING75.0 FAHRENHEIT MINIMUM AND 105.0 FAHRENHEIT MAXIMUM DEGF
THERMOSTAT TYPEBULB
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
USAGE DESIGNCONTROL TEMPERATURE REGULATOR VALVE
SUBSTITUTES & CROSS-REFERENCES 1
40056-1Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 40056-1 PC 1?
40056-1 PC 1 is a REGULATOR,THERMOSTATIC TEMPERATU.
What parts can replace 40056-1 PC 1?
There is 1 known substitute for 40056-1 PC 1: 40056-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 40056-1 PC 1?
40056-1 PC 1 is cataloged in the U.S. Government catalog under NSN 4820-01-443-4112. 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.