18MA39 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

18MA39: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 1.100 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 300.0 HERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT, nominal_thread_size: 0.086 INCHES SINGLE GROUP IN, body_outside_diameter: 1.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-645-6339, 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

18MA39

NSN: 5950-00-645-6339
FSC: 5950 — Coils and Transformers
CAGE: 94653 — MID-WEST TRANSFORMER CO (USA)

SPECIFICATIONS

body_length	1.100 INCHES MAXIMUM IN
inclosure_type	HERMETICALLY SEALED
mounting_method	THREADED HOLE(S) SINGLE GROUP
frequency_rating	300.0 HERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size	0.086 INCHES SINGLE GROUP IN
body_outside_diameter	1.000 INCHES MAXIMUM IN
reliability_indicator	NOT ESTABLISHED
impedance_rating_in_ohms	25000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
thread_quantity_per_inch	56 SINGLE GROUP
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_method	INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
winding_operating_current	10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
NSN	5950-00-645-6339

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.600 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN

•

BODY OUTSIDE DIAMETER: 1.000 INCHES MAXIMUM IN

•

MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP

•

MAXIMUM TRANSFORMER POWER RATING: 200.0 MILLIWATTS SINGLE COMPONENT

•

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

•

IMPEDANCE RATING IN OHMS: 25000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY QUANTITY	4 SINGLE GROUP
INCLOSURE TYPE	HERMETICALLY SEALED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	0.600 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY OUTSIDE DIAMETER	1.000 INCHES MAXIMUM IN
MOUNTING METHOD	THREADED HOLE(S) SINGLE GROUP
MAXIMUM TRANSFORMER POWER RATING	200.0 MILLIWATTS SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS	25000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
IMPEDANCE RATING IN OHMS	8.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
WINDING SHIELDING METHOD	INTERNAL SHIELD GROUNDED TO INCLOSURE 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 1

L284483-1Reference 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 18MA39?

18MA39 is a TRANSFORMER,AUDIO FREQUENCY.

What parts can replace 18MA39?

There is 1 known substitute for 18MA39: L284483-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 18MA39?

18MA39 is cataloged in the U.S. Government catalog under NSN 5950-00-645-6339. This indicates validated use in U.S. government and defense supply chains.

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