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28B135-4A — 28B135-4A

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

28B135-4A: 28B135-4A.

The 28B135-4A is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6115-00-319-1684, 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
28B135-4A
NSN: 6115-00-319-1684
FSC: 6115 — Generators and Generator Sets, Electrical
CAGE: 64547 — HONEYWELL INTERNATIONAL, INC DIV AEROSPACE-TUCSON (USA)
SPECIFICATIONS
Part Number28B135-4A
NSN6115-00-319-1684
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 28B135-4A · 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: 8 UNTHREADED HOLE(S)
•
DUTY CYCLE: CONTINUOUS
•
PHASE: THREE OUTPUT
•
SHAFT DIAMETER: 0.6500 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 400.0 OUTPUT
•
WINDING TYPE: PERMANENT MAGNET
•
SHAFT ROTATION DIRECTION: CLOCKWISE SINGLE END
•
FEATURES PROVIDED: HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY8 UNTHREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASETHREE OUTPUT
SHAFT DIAMETER0.6500 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ400.0 OUTPUT
WINDING TYPEPERMANENT MAGNET
SHAFT ROTATION DIRECTIONCLOCKWISE SINGLE END
FEATURES PROVIDEDHORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
MAXIMUM OPERATING ALTITUDE RATING65000.0 FEET FT
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS208.0 LINE TO LINE SINGLE OR 120.0 LINE TO NEUTRAL SINGLE OUTPUT
OTHER ITEMS IN FSC 6115 — Generators and Generator Sets, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6115-00-000-0100 6115-00-001-4612 6115-00-001-8553 6115-00-001-8853 6115-00-004-1782 6115-00-004-2766 6115-00-004-3786 6115-00-004-3787
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 28B135-4A?
28B135-4A is a 28B135-4A.
What is the NSN for 28B135-4A?
28B135-4A is cataloged in the U.S. Government catalog under NSN 6115-00-319-1684. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.