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PartsTable / COMPONENT / 50146-15 PC 35
50146-15 PC 35 ✓ 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: 11.500 INCHES NOMINAL IN, bulb_diameter: 1.500 INCHES NOMINAL IN, thermostat_type: BULB, valve_size_for_which_designed: 1.250 INCHES 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 4820-01-351-8303, 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
50146-15 PC 35
NSN: 4820-01-351-8303
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
bulb_length11.500 INCHES NOMINAL IN
bulb_diameter1.500 INCHES NOMINAL IN
thermostat_typeBULB
valve_size_for_which_designed1.250 INCHES IN
NSN4820-01-351-8303
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 50146-15 PC 35 · 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 LENGTH: 11.500 INCHES NOMINAL IN
•
BULB DIAMETER: 1.500 INCHES NOMINAL IN
•
VALVE SIZE FOR WHICH DESIGNED: 1.250 INCHES IN
•
THERMOSTAT TYPE: BULB
TECHNICAL CHARACTERISTICS (FLIS)
BULB LENGTH11.500 INCHES NOMINAL IN
BULB DIAMETER1.500 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED1.250 INCHES IN
THERMOSTAT TYPEBULB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
400539Interchangeable
interchangeable cross-reference
interchangeable
8-1930XP24Interchangeable
interchangeable cross-reference
interchangeable
7431173-1Interchangeable
interchangeable cross-reference
interchangeable
45283Interchangeable
interchangeable cross-reference
interchangeable
7527Interchangeable
interchangeable cross-reference
interchangeable
7527-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50146-15 PC 35?
50146-15 PC 35 is a REGULATOR,THERMOSTATIC TEMPERATU.
What parts can replace 50146-15 PC 35?
There are 9 known substitutes for 50146-15 PC 35: 400539, 8-1930XP24, 7431173-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50146-15 PC 35?
50146-15 PC 35 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-351-8303. 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