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ES-21 — GEAR ASSEMBLY,SPEED DECREASER

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

ES-21: GEAR ASSEMBLY,SPEED DECREASER.

The GEAR ASSEMBLY,SPEED DECREASER is a the manufacturer industrial component. Key specifications include design_type: SINGLE REDUCTION, temp_rating: 60.0 AMBIENT CELSIUS AND 50.0 OPERATING CELSIUS, total_ratio: 50 TO 1, current_type: DC INPUT, overall_width: 3.312 INCHES IN, cooling_method: AIR TO AIR COOLED. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-295-0458, 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
ES-21
NSN: 6105-00-295-0458
NIINs: 002950458, 011319702, 013968956
FSC: 6105 — Motors, Electrical
CAGE: 99932 — MOOG INC. (USA)
SPECIFICATIONS
design_typeSINGLE REDUCTION
temp_rating60.0 AMBIENT CELSIUS AND 50.0 OPERATING CELSIUS
total_ratio50 TO 1
current_typeDC INPUT
overall_width3.312 INCHES IN
cooling_methodAIR TO AIR COOLED
overall_height3.312 INCHES IN
overall_length4.937 INCHES IN
shaft_diameter0.3120 INCHES NOMINAL SINGLE END IN
shaft_positionOUTPUT SHAFT EXTENDS TO LEFT AND RIGHT
mounting_methodFACE
input_shaft_typeSTRAIGHT
NSN6105-00-295-0458
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: ES-21 · 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: 4 UNTHREADED HOLE(S)
•
SHAFT DIAMETER: 0.3120 INCHES NOMINAL SINGLE END IN
•
CURRENT TYPE: DC INPUT
•
CONTROL FIELD CURRENT RATING IN AMPS: 0.700
•
MOUNTING METHOD: FACE
•
COOLING METHOD: AIR TO AIR COOLED
•
FEATURES PROVIDED: HORIZONTAL MOUNTING POSITION
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
SHAFT DIAMETER0.3120 INCHES NOMINAL SINGLE END IN
CURRENT TYPEDC INPUT
OVERALL LENGTH4.937 INCHES IN
CONTROL FIELD CURRENT RATING IN AMPS0.700
MOUNTING METHODFACE
COOLING METHODAIR TO AIR COOLED
FEATURES PROVIDEDHORIZONTAL MOUNTING POSITION
MOUNTING FACILITY CIRCLE DIAMETER2.297 INCHES IN
OVERALL WIDTH3.312 INCHES IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ES-21?
ES-21 is a GEAR ASSEMBLY,SPEED DECREASER.
What is the NSN for ES-21?
ES-21 is cataloged in the U.S. Government catalog under NSN 6105-00-295-0458. This indicates validated use in U.S. government and defense supply chains.
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