A1779 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A1779: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.188 INCHES NOMINAL IN, body_height: 2.062 INCHES NOMINAL IN, body_length: 1.188 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 200.0 HERTZ MINIMUM AND 2.5 KILOHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-647-7730, 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

A1779

NSN: 5950-00-647-7730
NIINs: 006477730, 011083349, 013399521, 015288864, 015288956, 016643090
FSC: 5950 — Coils and Transformers
CAGE: 81160 — FOSTER TRANSFORMER CO DIV FOSTER TRANSFORMER COMPANY (USA)

SPECIFICATIONS

body_width	1.188 INCHES NOMINAL IN
body_height	2.062 INCHES NOMINAL IN
body_length	1.188 INCHES NOMINAL IN
inclosure_type	HERMETICALLY SEALED
mounting_method	FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating	200.0 HERTZ MINIMUM AND 2.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_features	OCP, WITH BAGBY GREEN 67204 AND BLACK 67138
attachment_method	HOOK FASTENER TAPE
features_provided	EMBROIDERED
design_designation	US ARMY ELEMENT, ALLIED COMMAND EUROPE
reliability_indicator	NOT ESTABLISHED
department_designation	US ARMY
NSN	5950-00-647-7730

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN

•

MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP

•

BODY WIDTH: 1.188 INCHES NOMINAL IN

•

BODY HEIGHT: 2.062 INCHES NOMINAL IN

•

MAXIMUM TRANSFORMER POWER RATING: 90.0 MILLIWATTS SINGLE COMPONENT

•

WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 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	1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHOD	FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
BODY WIDTH	1.188 INCHES NOMINAL IN
BODY HEIGHT	2.062 INCHES NOMINAL IN
MAXIMUM TRANSFORMER POWER RATING	90.0 MILLIWATTS SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS	20000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
IMPEDANCE RATING IN OHMS	250.0 NOMINAL AND 4000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY

SUBSTITUTES & CROSS-REFERENCES 7

L0-008Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10-1164-77-00-0Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

G3618Reference document

Same NSN cross-reference

Reference document — Secondary reference

B232932Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

L0-0087LSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

E3618Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A1779?

A1779 is a TRANSFORMER,AUDIO FREQUENCY.

What parts can replace A1779?

There are 7 known substitutes for A1779: L0-008, 10-1164-77-00-0, G3618 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for A1779?

A1779 is cataloged in the U.S. Government catalog under NSN 5950-00-647-7730. This indicates validated use in U.S. government and defense supply chains.

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