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X12543 ✓ 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 GEAR ASSEMBLY,SPEED DECREASER is a the manufacturer industrial component. Key specifications include gear_type: SPUR, design_type: SINGLE REDUCTION, total_ratio: 120 TO 1, special_features: RADIO SET,NAVIGATION SYSTEM,AIRBORNE;STRAIGHT OUTPUT SHAFT DIA 0.124 IN. IN, features_provided: SHIPBOARD USAGE DESIGN, output_shaft_type: STRAIGHT.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-272-3347, 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
X12543
NSN: 4820-00-272-3347
FSC: 4820
CAGE: 14351 — TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV TELEDYNE INDUSTRIES INC SUB OF TELEDYNE INC (USA)
SPECIFICATIONS
gear_typeSPUR
design_typeSINGLE REDUCTION
total_ratio120 TO 1
special_featuresRADIO SET,NAVIGATION SYSTEM,AIRBORNE;STRAIGHT OUTPUT SHAFT DIA 0.124 IN. IN
features_providedSHIPBOARD USAGE DESIGN
output_shaft_typeSTRAIGHT
lubrication_systemSPLASH
output_shaft_quantity1
end_item_identificationMODEL NO. WIU6
NSN4820-00-272-3347
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: X12543 · 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 30
D15-625IPC233-238Interchangeable
interchangeable cross-reference
interchangeable
D15-613APC312-318Interchangeable
interchangeable cross-reference
interchangeable
D15-328KPC312-318Interchangeable
interchangeable cross-reference
interchangeable
7024310Interchangeable
interchangeable cross-reference
interchangeable
614Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X12543?
X12543 is a GEAR ASSEMBLY,SPEED DECREASER.
What parts can replace X12543?
There are 30 known substitutes for X12543: D15-625IPC233-238, D15-613APC312-318, D15-328KPC312-318 and 27 more. Substitute compatibility should be verified for your specific system.
Is X12543 still available?
X12543 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