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Technical Data Sheet
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MIL251855 — ROTOR,GENERATOR

✓ Government record, cited
AIRGAS USA, LLC · MOTOR
PRODUCT OVERVIEW

MIL251855: ROTOR,GENERATOR.

The ROTOR,GENERATOR is a AIRGAS USA, LLC industrial component. This part is cataloged in the U.S. Government catalog under NSN 6115-01-667-4827, 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
MIL251855
NSN: 6115-01-667-4827
FSC: 6115 — Generators and Generator Sets, Electrical
CAGE: 3WRY5 — AIRGAS USA, LLC (USA)
SPECIFICATIONS
Part NumberMIL251855
ManufacturerAIRGAS USA, LLC
NSN6115-01-667-4827
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: MIL251855 · AIRGAS USA, LLC ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
251855Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL251855?
MIL251855 is a ROTOR,GENERATOR manufactured by AIRGAS USA, LLC.
What parts can replace MIL251855?
There is 1 known substitute for MIL251855: 251855. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL251855?
MIL251855 is cataloged in the U.S. Government catalog under NSN 6115-01-667-4827. This indicates validated use in U.S. government and defense supply chains.
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