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A-12-10 — TRANSFORMER,AUDIO FREQUENCY

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

A-12-10: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, bore_shape: STRAIGHT, head_style: HEXAGON, body_length: 0.469 INCHES MAXIMUM IN, head_height: 0.562 INCHES NOMINAL IN, reset_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-117-0661, 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→ A-12-10
NSN: 3110-00-117-0661
NIINs: 001170661, 002334298, 002363024, 002413047, 002664966, 004246678, 011503365, 011798515, 016184113, 016184115, 016641123
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialPLASTIC CASE
bore_shapeSTRAIGHT
head_styleHEXAGON
body_length0.469 INCHES MAXIMUM IN
head_height0.562 INCHES NOMINAL IN
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class2A A
bore_diameter1.9680 INCHES NOMINAL IN
overall_width0.7870 INCHES NOMINAL IN
thread_length1.750 INCHES MINIMUM IN
inclosure_typeFULLY INCLOSED
NSN3110-00-117-0661
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-12-10 · 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
KEY FEATURES
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: INNER RING, ROLLER, CYLINDRICAL
•
OVERALL OUTSIDE DIAMETER: 2.3800 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
BORE DIAMETER: 1.9680 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORINNER RING, ROLLER, CYLINDRICAL
OVERALL WIDTH0.7870 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.3800 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE DIAMETER1.9680 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 A-12-10?
A-12-10 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What is the NSN for A-12-10?
A-12-10 is cataloged in the U.S. Government catalog under NSN 3110-00-117-0661. 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.