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77C707850P001 — MOTOR-TACHOMETER GENERATOR

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

77C707850P001: MOTOR-TACHOMETER GENERATOR.

The MOTOR-TACHOMETER GENERATOR is a LOCKHEED MARTIN CORPORATION DIV RMS industrial component. Key specifications include CURRENT TYPE: DC INPUT, EXCITOR TYPE: SELF-EXCITED, OVERALL WIDTH: 2.625 INCHES IN, COOLING METHOD: NONVENTILATED, OVERALL HEIGHT: 3.281 INCHES IN, OVERALL LENGTH: 7.025 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-941-6098, 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
77C707850P001
NSN: 6105-00-941-6098
FSC: 6105 — Motors, Electrical
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
CURRENT TYPEDC INPUT
EXCITOR TYPESELF-EXCITED
OVERALL WIDTH2.625 INCHES IN
COOLING METHODNONVENTILATED
OVERALL HEIGHT3.281 INCHES IN
OVERALL LENGTH7.025 INCHES IN
SHAFT DIAMETER0.281 INCHES NOMINAL SINGLE END IN
MOUNTING METHODPAD
ENCLOSURE FEATURETOTALLY ENCLOSED
FEATURES PROVIDEDHORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
TORQUE RATING AND TYPE6.8 INCH-OUNCES STALLED IN
INCLOSURE SPECIFICATIONCOMMERCIAL
NSN6105-00-941-6098
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 77C707850P001 · LOCKHEED MARTIN CORPORATION DIV RMS ⚠ 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 UNTHREADED HOLE(S)
•
SHAFT DIAMETER: 0.281 INCHES NOMINAL SINGLE END IN
•
CURRENT TYPE: DC INPUT
•
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT: 1.900 INCHES IN
•
CALIBRATION SPEED IN RPM: 1000.0
•
MOUNTING METHOD: PAD
•
COOLING METHOD: NONVENTILATED
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
SHAFT DIAMETER0.281 INCHES NOMINAL SINGLE END IN
CURRENT TYPEDC INPUT
OVERALL LENGTH7.025 INCHES IN
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT1.900 INCHES IN
CALIBRATION SPEED IN RPM1000.0
MOUNTING METHODPAD
COOLING METHODNONVENTILATED
FEATURES PROVIDEDHORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS40.0 LINE TO NEUTRAL SINGLE INPUT
SUBSTITUTES & CROSS-REFERENCES 4
2960220-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
20D1041-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
2960220-002Reference document
Same NSN cross-reference
Reference document — Secondary reference
763668Same 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 77C707850P001?
77C707850P001 is a MOTOR-TACHOMETER GENERATOR manufactured by LOCKHEED MARTIN CORPORATION DIV RMS.
What parts can replace 77C707850P001?
There are 4 known substitutes for 77C707850P001: 2960220-2, 20D1041-2, 2960220-002 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77C707850P001?
77C707850P001 is cataloged in the U.S. Government catalog under NSN 6105-00-941-6098. This indicates validated use in U.S. government and defense supply chains.
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