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PartsTable / COMPONENT / NH6456 PIECE 25
NH6456 PIECE 25 ✓ 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

STEM,OVERLOAD VALVE,STEAM TURBIN. Key specifications include general_characteristics_item_description: CRES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-199-3113, 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
NH6456 PIECE 25
NSN: 4820-01-199-3113
FSC: 4820
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES
NSN4820-01-199-3113
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NH6456 PIECE 25 · 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: CRES
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
243278Interchangeable
interchangeable cross-reference
interchangeable
660068Interchangeable
interchangeable cross-reference
interchangeable
1249ND5119Interchangeable
interchangeable cross-reference
interchangeable
NH-7347Interchangeable
interchangeable cross-reference
interchangeable
305NF6473Interchangeable
interchangeable cross-reference
interchangeable
NH-7347 PIECE 305Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NH6456 PIECE 25?
NH6456 PIECE 25 is a STEM,OVERLOAD VALVE,STEAM TURBIN.
What parts can replace NH6456 PIECE 25?
There are 15 known substitutes for NH6456 PIECE 25: 243278, 660068, 1249ND5119 and 12 more. Substitute compatibility should be verified for your specific system.
Is NH6456 PIECE 25 still available?
NH6456 PIECE 25 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