645991 — TRANSFORMER,POWER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

645991: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 4.125 INCHES NOMINAL IN, body_height: 5.500 INCHES NOMINAL IN, body_length: 5.062 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-194-6777, 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

645991

NSN: 5950-00-194-6777
FSC: 5950 — Coils and Transformers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

body_width	4.125 INCHES NOMINAL IN
body_height	5.500 INCHES NOMINAL IN
body_length	5.062 INCHES NOMINAL IN
inclosure_type	HERMETICALLY SEALED
mounting_method	THREADED STUD(S) SINGLE GROUP
frequency_rating	60.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size	0.250 INCHES SINGLE GROUP IN
reliability_indicator	NOT ESTABLISHED
thread_quantity_per_inch	20 SINGLE GROUP
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_method	INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
winding_operating_current	225.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
NSN	5950-00-194-6777

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 4.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN

•

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

•

MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP

•

BODY WIDTH: 4.125 INCHES NOMINAL IN

•

BODY HEIGHT: 5.500 INCHES NOMINAL IN

•

WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY QUANTITY	4 SINGLE GROUP
INCLOSURE TYPE	HERMETICALLY SEALED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	4.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
INPUT-OUTPUT PHASE RELATIONSHIP	SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING METHOD	THREADED STUD(S) SINGLE GROUP
BODY WIDTH	4.125 INCHES NOMINAL IN
BODY HEIGHT	5.500 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
WINDING SHIELDING METHOD	INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
NOMINAL THREAD SIZE	0.250 INCHES SINGLE GROUP IN

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

393K6Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ASP318Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 645991?

645991 is a TRANSFORMER,POWER.

What parts can replace 645991?

There are 2 known substitutes for 645991: 393K6, ASP318. Substitute compatibility should be verified for your specific system.

What is the NSN for 645991?

645991 is cataloged in the U.S. Government catalog under NSN 5950-00-194-6777. This indicates validated use in U.S. government and defense supply chains.

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