PartsTable
Technical Data Sheet
D154 ✓ Verified by PartsTable
· BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include diameter: 3.2470 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN, material: SILICON SEMICONDUCTOR, corner_shape: SQUARE FIRST INSIDE CORNER, overall_length: 0.281 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-352-5736, 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
D154
NSN: 3120-00-352-5736
FSC: 3120
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
diameter3.2470 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
materialSILICON SEMICONDUCTOR
corner_shapeSQUARE FIRST INSIDE CORNER
overall_length0.281 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM IN
outside_diameter5.2150 INCHES MINIMUM AND 5.2200 INCHES MAXIMUM IN
overall_diameter0.110 INCHES NOMINAL IN
special_featuresHAS HIGH EFFICIENCY PUMP, 2-PIECE DRIPLESS POURING VALVE, LARGE DRIP PAN, SUPER STRONG POLYCARBONATE 5 GALLON (18.9) BOWL
style_designatorROUND
features_providedHERMETICALLY SEALED CASE
overall_thickness0.2950 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN
NSN3120-00-352-5736
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: D154 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CORNER SHAPE: CHAMFERED SECOND INSIDE CORNER
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: COPPER ALLOY 937 OVERALL
LUBRICATION FEATURE: GROOVE INTERNAL SURFACES
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPECHAMFERED SECOND INSIDE CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 937 OVERALL
MATERIALGREASE LUBRICATION
CORNER SHAPESQUARE FIRST OUTSIDE CORNER
LUBRICATION FEATUREGROOVE INTERNAL SURFACES
CORNER SHAPESQUARE SECOND OUTSIDE CORNER
LUBRICATION FEATUREGROOVE EXTERNAL SURFACE MEMBER
CENTER HOLE SHAPE STYLEROUND
DIAMETER3.2470 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1N3278Interchangeable
interchangeable cross-reference
interchangeable
DI54Interchangeable
interchangeable cross-reference
interchangeable
CR0149Interchangeable
interchangeable cross-reference
interchangeable
D154Interchangeable
interchangeable cross-reference
interchangeable
9975938Interchangeable
interchangeable cross-reference
interchangeable
41032Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D154?
D154 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace D154?
There are 9 known substitutes for D154: 1N3278, DI54, CR0149 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D154?
D154 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-352-5736. This indicates validated use in U.S. government and defense supply chains.
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