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Technical Data Sheet
PartsTable / COMPONENT / 78-287
78-287 ✓ Verified by PartsTable
— · MOTOR
WHAT YOU NEED TO KNOW
NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include material: NICKEL ALLOY, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 5.500 INCHES NOMINAL IN, special_features: STUD HAS A SQUARE HEAD THAT MEASURES 0.375 INCH ACROSS FLATS,AND IS 0.375 INCH IN HEIGHT IN, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, nominal_thread_size: 0.625 INCHES LOCATION NOT OTHERWISE SPECIFIED IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-093-7951, 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
78-287
NSN: 6105-00-093-7951
FSC: 6105
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
overall_length5.500 INCHES NOMINAL IN
special_featuresSTUD HAS A SQUARE HEAD THAT MEASURES 0.375 INCH ACROSS FLATS,AND IS 0.375 INCH IN HEIGHT IN
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.625 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
end_item_identificationCOOLER
thread_quantity_per_inch11 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
material_document_and_classificationMIL-S-1222 MIL SPEC SINGLE MATERIAL RESPONSE
NSN6105-00-093-7951
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 78-287 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
78287Interchangeable
interchangeable cross-reference
interchangeable
78288Interchangeable
interchangeable cross-reference
interchangeable
A46505-3Interchangeable
interchangeable cross-reference
interchangeable
A144Interchangeable
interchangeable cross-reference
interchangeable
AP144Interchangeable
interchangeable cross-reference
interchangeable
701-D-9619 REV B ITEM NO 6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78-287?
78-287 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace 78-287?
There are 8 known substitutes for 78-287: 78287, 78288, A46505-3 and 5 more. Substitute compatibility should be verified for your specific system.
Is 78-287 still available?
78-287 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026