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P312-2 — POWER SUPPLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

P312-2: 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 5320-00-550-4790, 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
P312-2
NSN: 5320-00-550-4790
NIINs: 005504790, 008812272, 012511043
FSC: 5320 — Rivets
CAGE: 92541 — CUSTOM CRAFT PRODUCTS INC (USA)
SPECIFICATIONS
NSN5320-00-550-4790
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 P312-2 MFR OEM Platinum
KEY FEATURES
•
SHANK DIAMETER: 0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.160 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
•
EXPANSION DEVICE: THREADED STEM
•
HEAD STYLE: HEXAGON
•
SPECIFICATION/STANDARD DATA: 80205-NAS1669 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
GRIP LENGTH: 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM 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
SHANK DIAMETER0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
HEAD HEIGHT0.160 INCHES MAXIMUM IN
FASTENER LENGTH0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
EXPANSION DEVICETHREADED STEM
HEAD STYLEHEXAGON
SPECIFICATION/STANDARD DATA80205-NAS1669 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
GRIP LENGTH0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
SHANK STYLETHREADED SELF-PLUGGING SHANK W/SLEEVE
SURFACE TREATMENTCADMIUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
PP312-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P312-2?
P312-2 is a POWER SUPPLY.
What parts can replace P312-2?
There is 1 known substitute for P312-2: PP312-2. Substitute compatibility should be verified for your specific system.
What is the NSN for P312-2?
P312-2 is cataloged in the U.S. Government catalog under NSN 5320-00-550-4790. 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.