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PartsTable / COMPONENT / 1291-391
1291-391 ✓ 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 color: BLACK OVERALL, material: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL, groove_depth: 0.150 INCHES NOMINAL IN, groove_width: 0.052 INCHES NOMINAL IN, grommet_style: EDGING, overall_width: 48.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-017-1614, 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
1291-391
NSN: 5325-01-017-1614
FSC: 5325
CAGE: 72314 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
groove_depth0.150 INCHES NOMINAL IN
groove_width0.052 INCHES NOMINAL IN
grommet_styleEDGING
overall_width48.0 MILLIMETERS NOMINAL MM
overall_height124.0 MILLIMETERS NOMINAL MM
input_voltage_rating240.0 AC VOLTS MAXIMUM OVERALL
output_current_rating20.0 DC AMPERES NOMINAL OVERALL
output_voltage_rating24.0 DC VOLTS NOMINAL OVERALL
grommet_overall_length300.000 INCHES NOMINAL IN
output_frequency_rating60.0 HERTZ MAXIMUM OVERALL
NSN5325-01-017-1614
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 1291-391 MFR OEM Platinum
KEY FEATURES
•
GROMMET CONSTRUCTION TYPE: SOLID
•
GROMMET STYLE: EDGING
•
GROOVE DEPTH: 0.150 INCHES NOMINAL IN
•
COLOR: BLACK OVERALL
•
GROMMET OVERALL LENGTH: 300.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-20693 TYPE 1 MIL SPEC 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 (FLIS)
GROMMET CONSTRUCTION TYPESOLID
GROMMET STYLEEDGING
GROOVE DEPTH0.150 INCHES NOMINAL IN
COLORBLACK OVERALL
OVERALL WIDTH0.190 INCHES NOMINAL IN
GROMMET OVERALL LENGTH300.000 INCHES NOMINAL IN
OVERALL HEIGHT0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
GROOVE WIDTH0.052 INCHES NOMINAL IN
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
465Interchangeable
interchangeable cross-reference
interchangeable
2692Interchangeable
interchangeable cross-reference
interchangeable
4002692Interchangeable
interchangeable cross-reference
interchangeable
4002692-4Interchangeable
interchangeable cross-reference
interchangeable
134204-0006Interchangeable
interchangeable cross-reference
interchangeable
3954-63AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1291-391?
1291-391 is a POWER SUPPLY.
What parts can replace 1291-391?
There are 18 known substitutes for 1291-391: 465, 2692, 4002692 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1291-391?
1291-391 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-017-1614. 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