PartsTable
Technical Data Sheet

4057-77 ITEM 54 — Technical Data Sheet

✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include body_length: 1.812 INCHES NOMINAL IN, inclosure_type: OPEN, mounting_method: THREADED BUSHING SINGLE GROUP, frequency_rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT, nominal_thread_size: 0.375 INCHES SINGLE GROUP IN, body_outside_diameter: 2.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 5950-00-933-0421, 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
4057-77 ITEM 54
NSN: 5950-00-933-0421
FSC: 5950
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
body_length1.812 INCHES NOMINAL IN
inclosure_typeOPEN
mounting_methodTHREADED BUSHING SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.375 INCHES SINGLE GROUP IN
body_outside_diameter2.875 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNEF SINGLE GROUP
winding_operating_current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
winding_operating_voltage120.00 AC VOLTS MINIMUM AND 132.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
terminal_type_and_quantity3 TAB, SOLDER LUG
NSN5950-00-933-0421
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER AUTOTRANSFORME TITLE COMPONENT PN 4057-77 ITEM 54 MFR TRANSFORMER,POWER AUTO
KEY FEATURES
•
FREQUENCY RATING: 60.0 HERTZ NOMINAL SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
•
BODY LENGTH: 1.812 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.375 INCHES SINGLE GROUP IN
•
BODY OUTSIDE DIAMETER: 2.875 INCHES NOMINAL IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
•
THREAD SERIES DESIGNATOR: UNEF SINGLE GROUP
TECHNICAL CHARACTERISTICS
FREQUENCY RATING60.0 HERTZ NOMINAL SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
THREAD QUANTITY PER INCH32 SINGLE GROUP
BODY LENGTH1.812 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES SINGLE GROUP IN
BODY OUTSIDE DIAMETER2.875 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
THREAD SERIES DESIGNATORUNEF SINGLE GROUP
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
WINDING OPERATING VOLTAGE120.00 AC VOLTS MINIMUM AND 132.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
VT1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
083647InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
VQL439185InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
07-895-1638InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
357InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
722860-006InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4057-77 ITEM 54?
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 4057-77 ITEM 54?
4057-77 ITEM 54 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 4057-77 ITEM 54?
There are 10 known substitutes for 4057-77 ITEM 54: VT1, 083647, VQL439185 and 7 more. Substitute compatibility should be verified for your specific system.
Is 4057-77 ITEM 54 still available?
4057-77 ITEM 54 is currently cancelled.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4057-77 ITEM 54