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B519 ✓ Verified by PartsTable
— · PSU
WHAT YOU NEED TO KNOW
Always quote matching pair — mixed wattage causes throttling Platinum/Titanium = higher efficiency = lower power cost over time
AC or DC input? Verify customer site power
PRODUCT OVERVIEW

The POWER SUPPLY is a the manufacturer power supply unit built for continuous operation in enterprise server and storage platforms. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.359 INCHES NOMINAL IN, special_features: OJ-721(V)9/UYQ-70(V) 2, ULS, CNSL, RACK FFH01 CL, housing_bore_diameter: 2.714 INCHES NOMINAL IN, sealing_element_style: VERTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-4255, 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
B519
NSN: 5330-00-641-4255
FSC: 5330
CAGE: 95903 — LILLISTON CORP (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.359 INCHES NOMINAL IN
special_featuresOJ-721(V)9/UYQ-70(V) 2, ULS, CNSL, RACK FFH01 CL
housing_bore_diameter2.714 INCHES NOMINAL IN
sealing_element_styleVERTICAL
end_item_identificationCNSL, RACK
accommodated_shaft_diameter1.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-641-4255
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 B519 MFR OEM Platinum
KEY FEATURES
•
HOUSING BORE DIAMETER: 2.714 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 1.750 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
MATERIAL: STEEL CASE
•
SEAL WIDTH: 0.359 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
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 (FLIS)
HOUSING BORE DIAMETER2.714 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER1.750 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALSTEEL CASE
SEAL WIDTH0.359 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
MATERIALWOOL SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
697646Interchangeable
interchangeable cross-reference
interchangeable
1672Interchangeable
interchangeable cross-reference
interchangeable
MC10016Interchangeable
interchangeable cross-reference
interchangeable
10187817Interchangeable
interchangeable cross-reference
interchangeable
NRC1678Interchangeable
interchangeable cross-reference
interchangeable
D1243Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B519?
B519 is a POWER SUPPLY.
What parts can replace B519?
There are 22 known substitutes for B519: 697646, 1672, MC10016 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B519?
B519 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-4255. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026