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PartsTable / COMPONENT / 40176 PT50158-03
40176 PT50158-03 ✓ 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

The VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, body_style: STRAIGHT SHAPE, case_style: SQUARE, head_style: FLAT COUNTERSUNK UNDERCUT, seal_width: 0.438 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-148-9423, 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
40176 PT50158-03
NSN: 4820-01-148-9423
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
body_styleSTRAIGHT SHAPE
case_styleSQUARE
head_styleFLAT COUNTERSUNK UNDERCUT
seal_width0.438 INCHES NOMINAL IN
seat_angle37.0 DEGREES SECOND END
design_typeNONREUSABLE
temp_rating-50.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B SECOND END
body_diameter1.750 INCHES NOMINAL IN
overall_width2.750 INCHES NOMINAL IN
terminal_typeCONNECTOR, RECEPTACLE
NSN4820-01-148-9423
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40176 PT50158-03 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
50158Interchangeable
interchangeable cross-reference
interchangeable
DS100772-1Interchangeable
interchangeable cross-reference
interchangeable
24-49210Interchangeable
interchangeable cross-reference
interchangeable
PS282AND377Interchangeable
interchangeable cross-reference
interchangeable
40176Interchangeable
interchangeable cross-reference
interchangeable
AS40176Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40176 PT50158-03?
40176 PT50158-03 is a VALVE,REGULATING,TEMPERATURE.
What parts can replace 40176 PT50158-03?
There are 23 known substitutes for 40176 PT50158-03: 50158, DS100772-1, 24-49210 and 20 more. Substitute compatibility should be verified for your specific system.
Is 40176 PT50158-03 still available?
40176 PT50158-03 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026