PartsTable
Technical Data Sheet
42979 ✓ Verified by PartsTable
InLine · 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

The TRANSFORMER,AUDIO FREQUENCY is a InLine industrial component. Key specifications include body_length: 0.520 INCHES MAXIMUM IN, bit_quantity: 2048, inclosure_type: HERMETICALLY SEALED, overall_length: 0.540 INCHES NOMINAL IN, mounting_method: TERMINAL SINGLE GROUP, frequency_rating: 50.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8789, 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
42979
NSN: 3110-00-144-8789
FSC: 3110
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
body_length0.520 INCHES MAXIMUM IN
bit_quantity2048
inclosure_typeHERMETICALLY SEALED
overall_length0.540 INCHES NOMINAL IN
mounting_methodTERMINAL SINGLE GROUP
frequency_rating50.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
body_outside_diameter0.750 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp105.0 CELSIUS DEGC
end_item_identification2320013719583 TRUCK UTILITY (HMMWV)
impedance_rating_in_ohms300.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
winding_operating_current5.5 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
NSN3110-00-144-8789
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 42979 · InLine ⚠ 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 21
12J5Interchangeable
interchangeable cross-reference
interchangeable
304MInterchangeable
interchangeable cross-reference
interchangeable
43847Interchangeable
interchangeable cross-reference
interchangeable
700788Interchangeable
interchangeable cross-reference
interchangeable
DIT-255Interchangeable
interchangeable cross-reference
interchangeable
PD52414Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42979?
42979 is a TRANSFORMER,AUDIO FREQUENCY manufactured by InLine.
What parts can replace 42979?
There are 21 known substitutes for 42979: 12J5, 304M, 43847 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42979?
42979 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8789. This indicates validated use in U.S. government and defense supply chains.
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