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Technical Data Sheet
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M-225M — PISTON,MAIN PROPULSION TURBINE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M-225M: PISTON,MAIN PROPULSION TURBINE.

The PISTON,MAIN PROPULSION TURBINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-144-9667, 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
M-225M
NSN: 4820-01-144-9667
FSC: 4820 — Valves, Nonpowered
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
Part NumberM-225M
NSN4820-01-144-9667
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M-225M · 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
SUBSTITUTES & CROSS-REFERENCES 1
H-2255Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M-225M?
M-225M is a PISTON,MAIN PROPULSION TURBINE.
What parts can replace M-225M?
There is 1 known substitute for M-225M: H-2255. Substitute compatibility should be verified for your specific system.
What is the NSN for M-225M?
M-225M is cataloged in the U.S. Government catalog under NSN 4820-01-144-9667. This indicates validated use in U.S. government and defense supply chains.
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