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Technical Data Sheet
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P21-100 — POWER SUPPLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

P21-100: 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 6210-00-147-5620, 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
P21-100
NSN: 6210-00-147-5620
NIINs: 001475620, 011579088
FSC: 6210 — Indoor and Outdoor Electric Lighting Fixtures
CAGE: 76854 — ELECTRO SWITCH CORP. DBA OAK GRISGSBY DIV ELECTROSWITCH (USA)
SPECIFICATIONS
NSN6210-00-147-5620
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 P21-100 MFR OEM Platinum
KEY FEATURES
•
THREAD DIAMETER: 0.216 INCHES IN
•
EFFECTIVE DIAMETER: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
THREAD SERIES: UNEF
•
MOUNTING METHOD: EXTERNAL THREAD
•
STYLE DESIGNATOR: FLAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: P-P-349 FED SPEC SINGLE MATERIAL RESPONSE LENS
•
SURFACE CONDITION: SMOOTH FACE
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
THREAD DIAMETER0.216 INCHES IN
EFFECTIVE DIAMETER0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
THREAD SERIESUNEF
MOUNTING METHODEXTERNAL THREAD
STYLE DESIGNATORFLAT
MATERIAL DOCUMENT AND CLASSIFICATIONP-P-349 FED SPEC SINGLE MATERIAL RESPONSE LENS
OVERALL LENGTH0.382 INCHES MINIMUM AND 0.402 INCHES MAXIMUM IN
SURFACE CONDITIONSMOOTH FACE
SURFACE CONDITIONSMOOTH BACK
EFFECTIVE LENGTH0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
374126-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
7P55-100Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
7P55TL1Reference document
Same NSN cross-reference
Reference document — Secondary reference
380002Reference document
Same NSN cross-reference
Reference document — Secondary reference
P55-100Reference document
Same NSN cross-reference
Reference document — Secondary reference
PE55-100Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P21-100?
P21-100 is a POWER SUPPLY.
What parts can replace P21-100?
There are 6 known substitutes for P21-100: 374126-1, 7P55-100, 7P55TL1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P21-100?
P21-100 is cataloged in the U.S. Government catalog under NSN 6210-00-147-5620. This indicates validated use in U.S. government and defense supply chains.
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