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Technical Data Sheet
PartsTable / COMPONENT / 40142-8 PC 1
40142-8 PC 1 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

REGULATOR,THERMOSTATIC TEMPERATU. Key specifications include bulb_length: 12.000 INCHES NOMINAL IN, usage_design: CONTROL REGULATING VALVE, bulb_diameter: 1.000 INCHES NOMINAL IN, mounting_method: FLANGE, thermostat_type: BULB, capillary_tube_length: 120.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-232-5828, 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
40142-8 PC 1
NSN: 4820-01-232-5828
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
bulb_length12.000 INCHES NOMINAL IN
usage_designCONTROL REGULATING VALVE
bulb_diameter1.000 INCHES NOMINAL IN
mounting_methodFLANGE
thermostat_typeBULB
capillary_tube_length120.000 INCHES NOMINAL IN
valve_size_for_which_designed1.500 INCHES IN
NSN4820-01-232-5828
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40142-8 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
•
USAGE DESIGN: CONTROL REGULATING VALVE
•
BULB LENGTH: 12.000 INCHES NOMINAL IN
•
BULB DIAMETER: 1.000 INCHES NOMINAL IN
•
CAPILLARY TUBE LENGTH: 120.000 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE
•
THERMOSTAT TYPE: BULB
•
VALVE SIZE FOR WHICH DESIGNED: 1.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNCONTROL REGULATING VALVE
BULB LENGTH12.000 INCHES NOMINAL IN
BULB DIAMETER1.000 INCHES NOMINAL IN
CAPILLARY TUBE LENGTH120.000 INCHES NOMINAL IN
MOUNTING METHODFLANGE
THERMOSTAT TYPEBULB
VALVE SIZE FOR WHICH DESIGNED1.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40142Interchangeable
interchangeable cross-reference
interchangeable
5572509Interchangeable
interchangeable cross-reference
interchangeable
857171Interchangeable
interchangeable cross-reference
interchangeable
40112Interchangeable
interchangeable cross-reference
interchangeable
H10-1005-2Interchangeable
interchangeable cross-reference
interchangeable
50154Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40142-8 PC 1?
40142-8 PC 1 is a REGULATOR,THERMOSTATIC TEMPERATU.
What parts can replace 40142-8 PC 1?
There are 14 known substitutes for 40142-8 PC 1: 40142, 5572509, 857171 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40142-8 PC 1?
40142-8 PC 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-232-5828. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026