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Technical Data Sheet
PartsTable / COMPONENT / C2037-31
C2037-31 ✓ 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 diameter: 0.204 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 BAND, input_phase: SINGLE SINGLE OPERATING POWER RQMT, overall_width: 19.000 INCHES NOMINAL IN, overall_length: 35.820 INCHES NOMINAL IN, style_designator: SINGLE LOOP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-066-6837, 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
C2037-31
NSN: 5340-01-066-6837
FSC: 5340
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
input_phaseSINGLE SINGLE OPERATING POWER RQMT
overall_width19.000 INCHES NOMINAL IN
overall_length35.820 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
features_providedOVER VOLTAGE PROTECTOR AND POTENTIOMETER
material_thickness0.051 INCHES NOMINAL IN
input_current_rating20.0 AC AMPERES NOMINAL SINGLE OPERATING POWER RQMT
input_voltage_rating85.0 AC VOLTS MINIMUM AND 132.0 AC VOLTS MAXIMUM SINGLE OPERATING POWER RQMT
loop_inside_diameter1.923 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
NSN5340-01-066-6837
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 C2037-31 MFR OEM Platinum
KEY FEATURES
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL: ALUMINUM ALLOY 2024 BAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
MATERIAL THICKNESS: 0.051 INCHES NOMINAL IN
•
DIAMETER: 0.204 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.602 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 (FLIS)
STYLE DESIGNATORSINGLE LOOP
MATERIALALUMINUM ALLOY 2024 BAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE CUSHION
MATERIAL THICKNESS0.051 INCHES NOMINAL IN
DIAMETER0.204 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.602 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
LOOP INSIDE DIAMETER1.923 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
38531Interchangeable
interchangeable cross-reference
interchangeable
38531-1Interchangeable
interchangeable cross-reference
interchangeable
3853Interchangeable
interchangeable cross-reference
interchangeable
1-3862Interchangeable
interchangeable cross-reference
interchangeable
550 31Interchangeable
interchangeable cross-reference
interchangeable
2013 31Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2037-31?
C2037-31 is a POWER SUPPLY.
What parts can replace C2037-31?
There are 9 known substitutes for C2037-31: 38531, 38531-1, 3853 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2037-31?
C2037-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-066-6837. 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