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MSB2-5 — POWER SUPPLY-SYNCHRONIZER

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

MSB2-5: POWER SUPPLY-SYNCHRONIZER.

The POWER SUPPLY-SYNCHRONIZER 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 5305-01-483-3071, 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
MSB2-5
NSN: 5305-01-483-3071
NIINs: 014833071, 015590584
FSC: 5305 — Screws
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
NSN5305-01-483-3071
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz OEM BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | —W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU —W PN MSB2-5 MFR OEM Platinum
KEY FEATURES
•
WIDTH ACROSS FLATS: 2.0 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 3.0 MILLIMETERS NOMINAL MM
•
SHOULDER LENGTH: 10.0 MILLIMETERS NOMINAL FIRST SHOULDER MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 3.987 MILLIMETERS NOMINAL FIRST SHOULDER MM
•
THREAD PITCH IN MILLIMETERS: 0.5
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A484 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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
WIDTH ACROSS FLATS2.0 MILLIMETERS NOMINAL MM
HEAD HEIGHT3.0 MILLIMETERS NOMINAL MM
SHOULDER LENGTH10.0 MILLIMETERS NOMINAL FIRST SHOULDER MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER3.987 MILLIMETERS NOMINAL FIRST SHOULDER MM
THREAD PITCH IN MILLIMETERS0.5
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A484 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER3.0 MILLIMETERS MM
HEAD STYLEFLAT CHAMFER
SUBSTITUTES & CROSS-REFERENCES 2
PZM-5-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
13211656-5Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 MSB2-5?
MSB2-5 is a POWER SUPPLY-SYNCHRONIZER.
What parts can replace MSB2-5?
There are 2 known substitutes for MSB2-5: PZM-5-3, 13211656-5. Substitute compatibility should be verified for your specific system.
What is the NSN for MSB2-5?
MSB2-5 is cataloged in the U.S. Government catalog under NSN 5305-01-483-3071. 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.