PartsTable
Technical Data Sheet
Download PDF

4720-57 — 4720-57

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

4720-57: 4720-57.

The 4720-57 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: CHAMFERED, pin_overall_diameter: 4.00 MILLIMETERS NOMINAL MM, second_end_relationship_with_first_end: NOT IDENTICAL. This part is cataloged in the U.S.

Government catalog under NSN 6105-01-239-3791, 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
MRO→ MRO_GENERAL→ 4720-57
NSN: 6105-01-239-3791
NIINs: 012393791, 015347825, 015796579, 015797073
FSC: 6105 — Motors, Electrical
CAGE: 64731 — WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCHAMFERED
pin_overall_diameter4.00 MILLIMETERS NOMINAL MM
second_end_relationship_with_first_endNOT IDENTICAL
NSN6105-01-239-3791
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 4720-57 · 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
•
DUTY CYCLE: CONTINUOUS
•
PHASE: THREE INPUT
•
FREQUENCY IN HERTZ: 400.0 INPUT
•
COOLING METHOD: FAN COOLED
•
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS: 115.0 LINE TO NEUTRAL FIRST MULTIPLE OR 200.0 LINE TO NEUTRAL SECOND MULTIPLE INPUT
•
CURRENT RATING IN AMPS: 7.000 SINGLE INPUT
•
ENCLOSURE FEATURE: TOTALLY ENCLOSED
•
POWER RATING: 1.800 HORSEPOWER OUTPUT
TECHNICAL CHARACTERISTICS
DUTY CYCLECONTINUOUS
PHASETHREE INPUT
FREQUENCY IN HERTZ400.0 INPUT
COOLING METHODFAN COOLED
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS115.0 LINE TO NEUTRAL FIRST MULTIPLE OR 200.0 LINE TO NEUTRAL SECOND MULTIPLE INPUT
CURRENT RATING IN AMPS7.000 SINGLE INPUT
ENCLOSURE FEATURETOTALLY ENCLOSED
POWER RATING1.800 HORSEPOWER OUTPUT
ROTOR SPEED RATING IN RPM5750.0 SINGLE FULL LOAD
SUBSTITUTES & CROSS-REFERENCES 2
02-017979-000Reference document
Same NSN cross-reference
Reference document — Secondary reference
M-4720-57Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 4720-57?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4720-57?
4720-57 is a 4720-57. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4720-57?
There are 2 known substitutes for 4720-57: 02-017979-000, M-4720-57. Substitute compatibility should be verified for your specific system.
What is the NSN for 4720-57?
4720-57 is cataloged in the U.S. Government catalog under NSN 6105-01-239-3791. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4720-57

✓ 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.