178A1/662 — COIL,TELEPHONE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

178A1/662: COIL,TELEPHONE.

The COIL,TELEPHONE is a the manufacturer industrial component. Key specifications include body_width: 3.125 INCHES NOMINAL IN, body_height: 2.245 INCHES NOMINAL IN, body_length: 4.500 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, winding_quantity: 2 SINGLE COMPONENT, terminal_type_and_quantity: 4 BINDING POST. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-221-4609, 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

178A1/662

NSN: 5950-00-221-4609
FSC: 5950 — Coils and Transformers
CAGE: 3B4M0 — LUCENT TECHNOLOGIES INC CORPORATE HEADQUARTERS (USA)

SPECIFICATIONS

body_width	3.125 INCHES NOMINAL IN
body_height	2.245 INCHES NOMINAL IN
body_length	4.500 INCHES NOMINAL IN
inclosure_type	FULLY INCLOSED
winding_quantity	2 SINGLE COMPONENT
terminal_type_and_quantity	4 BINDING POST
dc_resistance_rating_in_ohms	4.900 SINGLE COMPONENT ALL WINDING
NSN	5950-00-221-4609

COMPONENT DIAGRAM

KEY FEATURES

•

INCLOSURE TYPE: FULLY INCLOSED

•

BODY WIDTH: 3.125 INCHES NOMINAL IN

•

BODY HEIGHT: 2.245 INCHES NOMINAL IN

•

BODY LENGTH: 4.500 INCHES NOMINAL IN

•

DC RESISTANCE RATING IN OHMS: 4.900 SINGLE COMPONENT ALL WINDING

•

WINDING QUANTITY: 2 SINGLE COMPONENT

•

TERMINAL TYPE AND QUANTITY: 4 BINDING POST

TECHNICAL CHARACTERISTICS

INCLOSURE TYPE	FULLY INCLOSED
BODY WIDTH	3.125 INCHES NOMINAL IN
BODY HEIGHT	2.245 INCHES NOMINAL IN
BODY LENGTH	4.500 INCHES NOMINAL IN
DC RESISTANCE RATING IN OHMS	4.900 SINGLE COMPONENT ALL WINDING
WINDING QUANTITY	2 SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY	4 BINDING POST

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

12-33E/W662-88MHReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 178A1/662?

178A1/662 is a COIL,TELEPHONE.

What parts can replace 178A1/662?

There is 1 known substitute for 178A1/662: 12-33E/W662-88MH. Substitute compatibility should be verified for your specific system.

What is the NSN for 178A1/662?

178A1/662 is cataloged in the U.S. Government catalog under NSN 5950-00-221-4609. This indicates validated use in U.S. government and defense supply chains.

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178A1/662 — COIL,TELEPHONE

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