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TG2477 — ELECTROMAGNETIC ACTUATOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

TG2477: ELECTROMAGNETIC ACTUATOR.

The ELECTROMAGNETIC ACTUATOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, SOLID, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 22.6180 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-274-6611, 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
TG2477
NSN: 3020-00-274-6611
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleWEBBED, SOLID
bore_stylePLAIN BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSTANDARD
helix_angle22.6180 DEGREES
pitch_diameter6.3646 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity47
hardness_rating31.0 ROCKWELL C NOMINAL OVERALL
tooth_directionLEFT
style_designatorPROTRUDING HUBS
NSN3020-00-274-6611
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTROMAGNETIC ACTUATOR TITLE COMPONENT PN TG2477 MFR ELECTROMAGNETIC ACTUAT
KEY FEATURES
•
FURNISHED ITEMS AND QUANTITY: 1 EXTERNALLY LUBRICATED BEARING
•
BORE NOMINAL DIAMETER: 1.375 INCHES BOTH ENDS IN
•
HELIX ANGLE: 22.6180 DEGREES
•
HUB NOMINAL DIAMETER: 1.938 INCHES FIRST END IN
•
TEETH QUANTITY: 47
•
BODY STYLE: WEBBED, SOLID
•
TOOTH DIRECTION: LEFT
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 EXTERNALLY LUBRICATED BEARING
BORE NOMINAL DIAMETER1.375 INCHES BOTH ENDS IN
HELIX ANGLE22.6180 DEGREES
HUB NOMINAL DIAMETER1.938 INCHES FIRST END IN
HUB NOMINAL DIAMETER1.938 INCHES SECOND END IN
TEETH QUANTITY47
BODY STYLEWEBBED, SOLID
TOOTH DIRECTIONLEFT
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.500 INCHES BOTH ENDS IN
SUBSTITUTES & CROSS-REFERENCES 1
BM1055Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TG2477?
TG2477 is a ELECTROMAGNETIC ACTUATOR.
What parts can replace TG2477?
There is 1 known substitute for TG2477: BM1055. Substitute compatibility should be verified for your specific system.
What is the NSN for TG2477?
TG2477 is cataloged in the U.S. Government catalog under NSN 3020-00-274-6611. 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.