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Technical Data Sheet
PartsTable / COMPONENT / 521110-4
521110-4 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include overall_width: 2.750 INCHES NOMINAL IN, overall_height: 3.250 INCHES NOMINAL IN, overall_length: 6.312 INCHES NOMINAL IN, special_features: ELECTROSTATIC SENSITIVE DEVICES, end_item_identification: E3A AWACS, criticality_code_justification: FEAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-022-4865, 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
521110-4
NSN: 6130-01-022-4865
FSC: 6130
CAGE: 06509 — ENGINEERED MAGNETICS, INC. DBA ENGINEERED MAGNETICS (USA)
SPECIFICATIONS
overall_width2.750 INCHES NOMINAL IN
overall_height3.250 INCHES NOMINAL IN
overall_length6.312 INCHES NOMINAL IN
special_featuresELECTROSTATIC SENSITIVE DEVICES
end_item_identificationE3A AWACS
criticality_code_justificationFEAT
reference_number_differentiating_characteristicsAS MODIFIED BY SOURCE CONTROL DRAWING 331310-4
NSN6130-01-022-4865
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 521110-4 MFR OEM Platinum
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS MODIFIED BY SOURCE CONTROL DRAWING 331310-4
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS MODIFIED BY SOURCE CONTROL DRAWING 331310-4
END ITEM IDENTIFICATIONE3A AWACS
OVERALL LENGTH6.312 INCHES NOMINAL IN
SPECIAL FEATURESELECTROSTATIC SENSITIVE DEVICES
OVERALL HEIGHT3.250 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
OVERALL WIDTH2.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
202784-1Interchangeable
interchangeable cross-reference
interchangeable
1310-1Interchangeable
interchangeable cross-reference
interchangeable
114-104-0006Interchangeable
interchangeable cross-reference
interchangeable
3313-101Interchangeable
interchangeable cross-reference
interchangeable
40266Interchangeable
interchangeable cross-reference
interchangeable
331310-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 521110-4?
521110-4 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 521110-4?
There are 6 known substitutes for 521110-4: 202784-1, 1310-1, 114-104-0006 and 3 more. Substitute compatibility should be verified for your specific system.
Is 521110-4 still available?
521110-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026