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Technical Data Sheet
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525791-20 — 525791-20

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

525791-20: 525791-20.

The 525791-20 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6105-00-950-0747, 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
525791-20
NSN: 6105-00-950-0747
FSC: 6105 — Motors, Electrical
CAGE: 22525 — INSTRUMENTS AND FLIGHT RESEARCH, INC. (USA)
SPECIFICATIONS
Part Number525791-20
NSN6105-00-950-0747
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 525791-20 · OEM ⚠ 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
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED HOLE(S)
•
PHASE: SINGLE INPUT
•
SHAFT DIAMETER: 0.1770 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 400.0 OUTPUT
•
CURRENT TYPE: AC INPUT
•
CALIBRATION SPEED IN RPM: 1000.0
•
MOUNTING METHOD: END BELL
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S)
PHASESINGLE INPUT
SHAFT DIAMETER0.1770 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ400.0 OUTPUT
CURRENT TYPEAC INPUT
OVERALL LENGTH3.718 INCHES IN
CALIBRATION SPEED IN RPM1000.0
MOUNTING METHODEND BELL
SPLINE LENGTH0.3970 INCHES NOMINAL SINGLE END IN
COOLING METHODNONVENTILATED
OTHER ITEMS IN FSC 6105 — Motors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6105-00-001-1471 6105-00-001-1473 6105-00-001-1497 6105-00-001-1710 6105-00-001-1712 6105-00-001-2097 6105-00-001-2098 6105-00-001-3680
SUBSTITUTES & CROSS-REFERENCES 2
15G4AAC1B1Reference document
Same NSN cross-reference
Reference document — Secondary reference
15G4KAB1A0Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 525791-20?
525791-20 is a 525791-20.
What parts can replace 525791-20?
There are 2 known substitutes for 525791-20: 15G4AAC1B1, 15G4KAB1A0. Substitute compatibility should be verified for your specific system.
What is the NSN for 525791-20?
525791-20 is cataloged in the U.S. Government catalog under NSN 6105-00-950-0747. This indicates validated use in U.S. government and defense supply chains.
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