ST1438 — TRANSFORMER,POWER AUTOTRANSFORME

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

ST1438: TRANSFORMER,POWER AUTOTRANSFORME.

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include body_width: 3.688 INCHES MAXIMUM IN, body_height: 5.562 INCHES MAXIMUM IN, body_length: 4.312 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 6.687 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S) SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-972-9270, 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

ST1438

NSN: 5950-00-972-9270
FSC: 5950 — Coils and Transformers
CAGE: 78987 — UNION ELECTRIC MFG CO (USA)

SPECIFICATIONS

body_width	3.688 INCHES MAXIMUM IN
body_height	5.562 INCHES MAXIMUM IN
body_length	4.312 INCHES NOMINAL IN
inclosure_type	HERMETICALLY SEALED
overall_height	6.687 INCHES MAXIMUM IN
mounting_method	THREADED STUD(S) SINGLE GROUP
frequency_rating	60.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size	0.190 INCHES SINGLE GROUP IN
winding_power_rating	908.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
reliability_indicator	NOT ESTABLISHED
thread_quantity_per_inch	32 SINGLE GROUP
thread_series_designator	UNF SINGLE GROUP
NSN	5950-00-972-9270

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN

•

WINDING POWER RATING: 908.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT

•

INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT

•

MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP

•

BODY WIDTH: 3.688 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	6.687 INCHES MAXIMUM IN
MOUNTING FACILITY QUANTITY	4 SINGLE GROUP
INCLOSURE TYPE	HERMETICALLY SEALED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING POWER RATING	908.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
INPUT-OUTPUT PHASE RELATIONSHIP	SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING METHOD	THREADED STUD(S) SINGLE GROUP
BODY WIDTH	3.688 INCHES MAXIMUM IN
BODY HEIGHT	5.562 INCHES MAXIMUM IN
WINDING FUNCTION AND QUANTITY	1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT

OTHER ITEMS IN FSC 5950 — Coils and Transformers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414

SUBSTITUTES & CROSS-REFERENCES 2

49017L1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

49017LSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST1438?

ST1438 is a TRANSFORMER,POWER AUTOTRANSFORME.

What parts can replace ST1438?

There are 2 known substitutes for ST1438: 49017L1, 49017L. Substitute compatibility should be verified for your specific system.

What is the NSN for ST1438?

ST1438 is cataloged in the U.S. Government catalog under NSN 5950-00-972-9270. This indicates validated use in U.S. government and defense supply chains.

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ST1438 — TRANSFORMER,POWER AUTOTRANSFORME

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