D178890 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

D178890: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.484 INCHES NOMINAL IN, body_height: 1.563 INCHES NOMINAL IN, body_length: 1.875 INCHES NOMINAL IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY, turn_quantity: 20 SINGLE COMPONENT SECOND SECONDARY, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-612-6563, 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

D178890

NSN: 5950-00-612-6563
FSC: 5950 — Coils and Transformers
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)

SPECIFICATIONS

body_width	1.484 INCHES NOMINAL IN
body_height	1.563 INCHES NOMINAL IN
body_length	1.875 INCHES NOMINAL IN
rating_method	WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
turn_quantity	20 SINGLE COMPONENT SECOND SECONDARY
inclosure_type	FULLY INCLOSED
mounting_method	THREADED STUD(S) SINGLE GROUP
frequency_rating	164.0 KILOHERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size	0.164 INCHES SINGLE GROUP IN
reliability_indicator	NOT ESTABLISHED
winding_conductor_size	0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
NSN	5950-00-612-6563

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP

•

INCLOSURE TYPE: FULLY INCLOSED

•

TURN QUANTITY: 20 SINGLE COMPONENT FIRST SECONDARY

•

MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP

•

BODY WIDTH: 1.484 INCHES NOMINAL IN

•

BODY HEIGHT: 1.563 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY QUANTITY	2 SINGLE GROUP
INCLOSURE TYPE	FULLY INCLOSED
TURN QUANTITY	20 SINGLE COMPONENT FIRST SECONDARY
TURN QUANTITY	20 SINGLE COMPONENT SECOND SECONDARY
TURN QUANTITY	52 SINGLE COMPONENT SINGLE PRIMARY
MOUNTING METHOD	THREADED STUD(S) SINGLE GROUP
BODY WIDTH	1.484 INCHES NOMINAL IN
BODY HEIGHT	1.563 INCHES NOMINAL IN
WINDING CONDUCTOR SIZE	0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
WINDING CONDUCTOR SIZE	0.00893 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL SECONDARY 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 1

DMS 78021BReference 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 D178890?

D178890 is a TRANSFORMER,RADIO FREQUENCY.

What parts can replace D178890?

There is 1 known substitute for D178890: DMS 78021B. Substitute compatibility should be verified for your specific system.

What is the NSN for D178890?

D178890 is cataloged in the U.S. Government catalog under NSN 5950-00-612-6563. This indicates validated use in U.S. government and defense supply chains.

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D178890 — TRANSFORMER,RADIO FREQUENCY

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