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Technical Data Sheet
PartsTable / COMPONENT / AA25
AA25 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include special_features: 17 LB. BAG LBS, active_ingredient: ALUMINA, moisture_indicator_impregnation: NOT INCLUDED.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1861, 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
AA25
NSN: 3110-00-156-1861
FSC: 3110
CAGE: 05527 — GWILLIAM COMPANY, INC. DIV BALL & ROLLER BEARING DIVISION (USA)
SPECIFICATIONS
special_features17 LB. BAG LBS
active_ingredientALUMINA
moisture_indicator_impregnationNOT INCLUDED
NSN3110-00-156-1861
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AA25 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
536E17Interchangeable
interchangeable cross-reference
interchangeable
3842Interchangeable
interchangeable cross-reference
interchangeable
27009HInterchangeable
interchangeable cross-reference
interchangeable
RA99000Interchangeable
interchangeable cross-reference
interchangeable
XHB-99000Interchangeable
interchangeable cross-reference
interchangeable
895916Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA25?
AA25 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace AA25?
There are 27 known substitutes for AA25: 536E17, 3842, 27009H and 24 more. Substitute compatibility should be verified for your specific system.
Is AA25 still available?
AA25 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