903-156 — ADAPTER,POWER SUPPLY

✓ Government record, cited

— · PSU

PRODUCT OVERVIEW

903-156: ADAPTER,POWER SUPPLY.

The ADAPTER,POWER SUPPLY is a the manufacturer power supply unit built for continuous operation in enterprise server and storage platforms. This part is cataloged in the U.S. Government catalog under NSN 3110-00-923-5148, 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

903-156

NSN: 3110-00-923-5148
NIINs: 009235148, 013573079, 013869485, 015981944
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)

SPECIFICATIONS

NSN	3110-00-923-5148

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

BEARING SEAL TYPE: CONTACT

•

INTERNAL FIT-UP DESIGNATION: LOOSE

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 80.00 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

TYPICAL APPLICATIONS

Server power supply replacement (failed or degraded)
Redundant power upgrade for high-availability
Power capacity upgrade for GPU or expansion configurations
Hot-swap power maintenance in production environments
Spare inventory for break-fix operations

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
BEARING SEAL TYPE	CONTACT
INTERNAL FIT-UP DESIGNATION	LOOSE
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH	21.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	80.00 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
LOAD DIRECTION	RADIAL
SEAL QUANTITY	1

SUBSTITUTES & CROSS-REFERENCES 7

FF-B-171/5Reference document

Same NSN cross-reference

Reference document — Secondary reference

Z9607L1AReference document

Same NSN cross-reference

Reference document — Secondary reference

FFB171/05J07D3EReference document

Same NSN cross-reference

Reference document — Secondary reference

18014ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A-A-59585Reference document

Same NSN cross-reference

Reference document — Identification reference

AA59585-207JDCTSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 903-156?

903-156 is a ADAPTER,POWER SUPPLY.

What parts can replace 903-156?

There are 7 known substitutes for 903-156: FF-B-171/5, Z9607L1A, FFB171/05J07D3E and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 903-156?

903-156 is cataloged in the U.S. Government catalog under NSN 3110-00-923-5148. This indicates validated use in U.S. government and defense supply chains.

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