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4146A — CONFERENCE BRIDGE,TELEPHONE

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

4146A: CONFERENCE BRIDGE,TELEPHONE.

The CONFERENCE BRIDGE,TELEPHONE is a the manufacturer industrial component. Key specifications include fsc_application_data: TELEPHONE AND TELEGRAPH EQUIPMENT, end_item_identification: FOUR WIRE/6 WAY CONFERENCE BRIDGE FB-4J-23. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-1914, 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→ 4146A
NSN: 3110-00-156-1914
NIINs: 001561914, 010170295
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
fsc_application_dataTELEPHONE AND TELEGRAPH EQUIPMENT
end_item_identificationFOUR WIRE/6 WAY CONFERENCE BRIDGE FB-4J-23
NSN3110-00-156-1914
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4146A · 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: GROOVED RACE SURFACE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 150.0 MILLIMETERS NOMINAL MM
•
BORE SMALLEST DIAMETER: 100.0 MILLIMETERS NOMINAL MM
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT32.0 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STYLE DESIGNATORGROOVED RACE SURFACE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER150.0 MILLIMETERS NOMINAL MM
BORE SMALLEST DIAMETER100.0 MILLIMETERS NOMINAL MM
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
1120Reference document
Same NSN cross-reference
Reference document — Secondary reference
1120F2Reference document
Same NSN cross-reference
Reference document — Secondary reference
709655Reference document
Same NSN cross-reference
Reference document — Secondary reference
920Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-52491Reference document
Same NSN cross-reference
Reference document — Identification reference
MS17161-131Reference 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 4146A?
4146A is a CONFERENCE BRIDGE,TELEPHONE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4146A?
There are 8 known substitutes for 4146A: 1120, 1120F2, 709655 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4146A?
4146A is cataloged in the U.S. Government catalog under NSN 3110-00-156-1914. This indicates validated use in U.S. government and defense supply chains.
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