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Technical Data Sheet
PartsTable / COMPONENT / X31438PC14
X31438PC14 ✓ 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

BELLOWS ASSEMBLY,VALVE POSITIONE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-218-2580, 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
X31438PC14
NSN: 4820-01-218-2580
FSC: 4820
CAGE: 97370 — SPX FLOW US, LLC DBA SPX VALVES & CONTROLS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionWITH PILOT; CONSISTS OF BELLOWS ROD,SHELL,2 BELLOWS,SPRING SEAT,PLUNGER NUT,PILOT SPRING,BALL,BASE FORGING,PLUNGER,2 WASHERS,SCREW
NSN4820-01-218-2580
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: X31438PC14 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: WITH PILOT; CONSISTS OF BELLOWS ROD,SHELL,2 BELLOWS,SPRING SEAT,PLUNGER NUT,PILOT SPRING,BALL,BASE FORGING,PLUNGER,2 WASHERS,SCREW
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONWITH PILOT; CONSISTS OF BELLOWS ROD,SHELL,2 BELLOWS,SPRING SEAT,PLUNGER NUT,PILOT SPRING,BALL,BASE FORGING,PLUNGER,2 WASHERS,SCREW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
900086-0015Interchangeable
interchangeable cross-reference
interchangeable
11898Interchangeable
interchangeable cross-reference
interchangeable
SM-B-157524 GROUP 3Interchangeable
interchangeable cross-reference
interchangeable
689LXInterchangeable
interchangeable cross-reference
interchangeable
53643AInterchangeable
interchangeable cross-reference
interchangeable
MDL72G525Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X31438PC14?
X31438PC14 is a BELLOWS ASSEMBLY,VALVE POSITIONE.
What parts can replace X31438PC14?
There are 11 known substitutes for X31438PC14: 900086-0015, 11898, SM-B-157524 GROUP 3 and 8 more. Substitute compatibility should be verified for your specific system.
Is X31438PC14 still available?
X31438PC14 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