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025882 — ROTOR,ENGINE POPPET VALVE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

025882: ROTOR,ENGINE POPPET VALVE.

The ROTOR,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: GEAR,SPLITTER,STBD. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-831-1127, 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
MRO→ MRO_GENERAL→ 025882
NSN: 2815-00-831-1127
NIINs: 008311127, 013883029, 015550768
FSC: 2815 — Diesel Engines and Components
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
end_item_identificationGEAR,SPLITTER,STBD
NSN2815-00-831-1127
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROTOR,ENGINE POPPET VALVE TITLE COMPONENT PN 025882 MFR ROTOR,ENGINE POPPET VA
KEY FEATURES
•
FIRST STEP DIAMETER: 2.435 INCHES NOMINAL IN
•
SECOND STEP LENGTH: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POSITIVE TYPE-STRAIGHT BORE
•
ROTATION DIRECTION: CLOCKWISE OR COUNTERCLOCKWISE
•
DISTANCE FROM END TO NEAREST STEP: 0.053 INCHES NOMINAL IN
•
SECOND STEP DIAMETER: 2.820 INCHES NOMINAL IN
•
FIRST STEP LENGTH: 0.230 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.763 INCHES NOMINAL IN
FIRST STEP DIAMETER2.435 INCHES NOMINAL IN
SECOND STEP LENGTH0.375 INCHES NOMINAL IN
STYLE DESIGNATORPOSITIVE TYPE-STRAIGHT BORE
ROTATION DIRECTIONCLOCKWISE OR COUNTERCLOCKWISE
DISTANCE FROM END TO NEAREST STEP0.053 INCHES NOMINAL IN
SECOND STEP DIAMETER2.820 INCHES NOMINAL IN
FIRST STEP LENGTH0.230 INCHES NOMINAL IN
MINIMUM ROTATION IN DEG360.0
SPRING AND BALL RETAINER INSIDE DIAMETER1.924 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
4A1559AReference document
Same NSN cross-reference
Reference document — Secondary reference
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 025882?
025882 is a ROTOR,ENGINE POPPET VALVE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 025882?
There is 1 known substitute for 025882: 4A1559A. Substitute compatibility should be verified for your specific system.
What is the NSN for 025882?
025882 is cataloged in the U.S. Government catalog under NSN 2815-00-831-1127. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.