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B1804 — POWER SUPPLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

B1804: POWER SUPPLY.

The 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 5315-01-381-3802, 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
B1804
NSN: 5315-01-381-3802
NIINs: 013813802, 015299501
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 38490 — LIFTKING MANUFACTURING CORP (CAN)
SPECIFICATIONS
NSN5315-01-381-3802
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 B1804 MFR OEM Platinum
KEY FEATURES
•
UNDER HEAD LENGTH: 3.500 INCHES NOMINAL3.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHTSTRAIGHT
•
PIN HEAD DIAMETER: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
•
DIAMETER: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
•
SLOT WIDTH: 0.156 INCHES NOMINAL0.156 INCHES NOMINAL IN
•
SLOT LENGTH: 0.157 INCHES NOMINAL0.157 INCHES NOMINAL IN
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
UNDER HEAD LENGTH3.500 INCHES NOMINAL3.500 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHTSTRAIGHT
PIN HEAD DIAMETER0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
DIAMETER0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
SLOT WIDTH0.156 INCHES NOMINAL0.156 INCHES NOMINAL IN
SLOT LENGTH0.157 INCHES NOMINAL0.157 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 B1804?
B1804 is a POWER SUPPLY.
What is the NSN for B1804?
B1804 is cataloged in the U.S. Government catalog under NSN 5315-01-381-3802. 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.