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L408000020 — MOTOR,DIRECT CURRENT

✓ Government record, cited
LOCKHEED MARTIN LIBRASCOPE CORPORATION · MOTOR
PRODUCT OVERVIEW

L408000020: MOTOR,DIRECT CURRENT.

The MOTOR,DIRECT CURRENT is a LOCKHEED MARTIN LIBRASCOPE CORPORATION industrial component. Key specifications include OVERALL WIDTH: 1.062 INCHES IN, SPLINE LENGTH: 0.5000 INCHES NOMINAL SINGLE END IN, COOLING METHOD: AMBIENT AIR, OVERALL LENGTH: 4.000 INCHES IN, SHAFT DIAMETER: 0.1520 INCHES NOMINAL SINGLE END IN, MOUNTING METHOD: CLAMP RING(S). This part is cataloged in the U.S.

Government catalog under NSN 6105-00-071-3619, 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
L408000020
NSN: 6105-00-071-3619
FSC: 6105 — Motors, Electrical
CAGE: 36090 — LOCKHEED MARTIN LIBRASCOPE CORPORATION (USA)
SPECIFICATIONS
OVERALL WIDTH1.062 INCHES IN
SPLINE LENGTH0.5000 INCHES NOMINAL SINGLE END IN
COOLING METHODAMBIENT AIR
OVERALL LENGTH4.000 INCHES IN
SHAFT DIAMETER0.1520 INCHES NOMINAL SINGLE END IN
MOUNTING METHODCLAMP RING(S)
SPLINE QUANTITY12 SINGLE END
ENCLOSURE FEATURETOTALLY ENCLOSED
FEATURES PROVIDEDVERTICAL MOUNTING POSITION AND HORIZONTAL MOUNTING POSITION
SPLINE MINOR DIAMETER0.1250 INCHES NOMINAL SINGLE END IN
INCLOSURE SPECIFICATIONCOMMERCIAL
SHAFT END CHARACTERISTICA14 SINGLE STYLE SINGLE END
NSN6105-00-071-3619
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: L408000020 · LOCKHEED MARTIN LIBRASCOPE CORPORATION ⚠ 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: 1 CLAMP COLLAR
•
SPLINE MINOR DIAMETER: 0.1250 INCHES NOMINAL SINGLE END IN
•
SHAFT DIAMETER: 0.1520 INCHES NOMINAL SINGLE END IN
•
MOUNTING METHOD: CLAMP RING(S)
•
SPLINE LENGTH: 0.5000 INCHES NOMINAL SINGLE END IN
•
COOLING METHOD: AMBIENT AIR
•
SHAFT ROTATION DIRECTION: CLOCKWISE OR COUNTERCLOCKWISE SINGLE END
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 CLAMP COLLAR
SPLINE MINOR DIAMETER0.1250 INCHES NOMINAL SINGLE END IN
SHAFT DIAMETER0.1520 INCHES NOMINAL SINGLE END IN
OVERALL LENGTH4.000 INCHES IN
MOUNTING METHODCLAMP RING(S)
SPLINE LENGTH0.5000 INCHES NOMINAL SINGLE END IN
COOLING METHODAMBIENT AIR
SHAFT ROTATION DIRECTIONCLOCKWISE OR COUNTERCLOCKWISE SINGLE END
FEATURES PROVIDEDVERTICAL MOUNTING POSITION AND HORIZONTAL MOUNTING POSITION
SPLINE QUANTITY12 SINGLE END
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 L408000020?
L408000020 is a MOTOR,DIRECT CURRENT manufactured by LOCKHEED MARTIN LIBRASCOPE CORPORATION.
What is the NSN for L408000020?
L408000020 is cataloged in the U.S. Government catalog under NSN 6105-00-071-3619. 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.