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5KR254NK312 — MOTOR,ALTERNATING CURRENT

✓ Government record, cited
GENERAL ELECTRIC CO MOTOR BUSINESS GROUP · MOTOR
PRODUCT OVERVIEW

5KR254NK312: MOTOR,ALTERNATING CURRENT.

The MOTOR,ALTERNATING CURRENT is a GENERAL ELECTRIC CO MOTOR BUSINESS GROUP industrial component. Key specifications include REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: SELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION. This part is cataloged in the U.S.

Government catalog under NSN 6105-01-021-7151, 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
5KR254NK312
NSN: 6105-01-021-7151
NIINs: 010217151, 010628790
FSC: 6105 — Motors, Electrical
CAGE: 63743 — WARD LEONARD CT LLC (USA)
SPECIFICATIONS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
NSN6105-01-021-7151
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 5KR254NK312 · GENERAL ELECTRIC CO MOTOR BUSINESS GROUP ⚠ 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
•
KEYWAY DEPTH: 0.1563 INCHES NOMINAL SINGLE END IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
•
DUTY CYCLE: CONTINUOUS
•
PHASE: THREE INPUT
•
SHAFT DIAMETER: 1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 6.250 INCHES SINGLE END IN
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.1563 INCHES NOMINAL SINGLE END IN
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASETHREE INPUT
SHAFT DIAMETER1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE6.250 INCHES SINGLE END IN
OVERALL LENGTH20.313 INCHES IN
WINDING TYPEINDUCTION-SQUIRREL CAGE
MOUNTING METHODFIXED BASE
SUBSTITUTES & CROSS-REFERENCES 1
5KR254NS399HSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 5KR254NK312?
5KR254NK312 is a MOTOR,ALTERNATING CURRENT manufactured by GENERAL ELECTRIC CO MOTOR BUSINESS GROUP.
What parts can replace 5KR254NK312?
There is 1 known substitute for 5KR254NK312: 5KR254NS399H. Substitute compatibility should be verified for your specific system.
What is the NSN for 5KR254NK312?
5KR254NK312 is cataloged in the U.S. Government catalog under NSN 6105-01-021-7151. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.