477A — EQUALIZER,TELEPHONE LINE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

477A: EQUALIZER,TELEPHONE LINE.

The EQUALIZER,TELEPHONE LINE is a the manufacturer industrial component. Key specifications include material: ALUMINUM CASE, overall_depth: 15.000 INCHES NOMINAL IN, overall_width: 17.000 INCHES NOMINAL IN, overall_height: 5.250 INCHES NOMINAL IN, frequency_rating: 47.0 HERTZ MINIMUM FIRST ALTERNATE OPERATING POWER RQMT, ac_voltage_rating: 230.0 VOLTS MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT. This part is cataloged in the U.S.

Government catalog under NSN 5805-00-167-7664, 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

MRO→ MRO_GENERAL→ 477A

NSN: 5805-00-167-7664
NIINs: 001677664, 007702000
FSC: 5805 — Telephone and Telegraph Equipment
CAGE: 03860 — LAU TECHNOLOGIES DIV N/A (USA)

SPECIFICATIONS

material	ALUMINUM CASE
overall_depth	15.000 INCHES NOMINAL IN
overall_width	17.000 INCHES NOMINAL IN
overall_height	5.250 INCHES NOMINAL IN
frequency_rating	47.0 HERTZ MINIMUM FIRST ALTERNATE OPERATING POWER RQMT
ac_voltage_rating	230.0 VOLTS MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT
functional_description	PROVIDES COMPENSATION FOR ENVELOPE DELAY AND AMPLITUDE DISTORTION EXISTING IN VOICE FREQUENCY LINES AND CHANNELS
mounting_configuration	STANDARD 19IN RACK MOUNT IN
audio_frequency_range_in_hertz	+300.0 TO 3400.0
NSN	5805-00-167-7664

COMPONENT DIAGRAM

KEY FEATURES

•

AC VOLTAGE RATING: 115.0 VOLTS MINIMUM FIRST ALTERNATE OPERATING POWER RQMT

•

AUDIO FREQUENCY RANGE IN HERTZ: +300.0 TO 3400.0

•

MOUNTING CONFIGURATION: STANDARD 19IN RACK MOUNT IN

•

FUNCTIONAL DESCRIPTION: PROVIDES COMPENSATION FOR ENVELOPE DELAY AND AMPLITUDE DISTORTION EXISTING IN VOICE FREQUENCY LINES AND CHANNELS

•

FREQUENCY RATING: 47.0 HERTZ MINIMUM FIRST ALTERNATE OPERATING POWER RQMT

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	5.250 INCHES NOMINAL IN
AC VOLTAGE RATING	115.0 VOLTS MINIMUM FIRST ALTERNATE OPERATING POWER RQMT
AC VOLTAGE RATING	230.0 VOLTS MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT
OVERALL WIDTH	17.000 INCHES NOMINAL IN
AUDIO FREQUENCY RANGE IN HERTZ	+300.0 TO 3400.0
MOUNTING CONFIGURATION	STANDARD 19IN RACK MOUNT IN
FUNCTIONAL DESCRIPTION	PROVIDES COMPENSATION FOR ENVELOPE DELAY AND AMPLITUDE DISTORTION EXISTING IN VOICE FREQUENCY LINES AND CHANNELS
FREQUENCY RATING	47.0 HERTZ MINIMUM FIRST ALTERNATE OPERATING POWER RQMT
FREQUENCY RATING	63.0 HERTZ MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT
MATERIAL	ALUMINUM CASE

SUBSTITUTES & CROSS-REFERENCES 1

CN-1234A/GCCSame 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 477A?

477A is a EQUALIZER,TELEPHONE LINE. It is classified as a MRO (MRO_GENERAL).

What parts can replace 477A?

There is 1 known substitute for 477A: CN-1234A/GCC. Substitute compatibility should be verified for your specific system.

What is the NSN for 477A?

477A is cataloged in the U.S. Government catalog under NSN 5805-00-167-7664. This indicates validated use in U.S. government and defense supply chains.

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477A — EQUALIZER,TELEPHONE LINE

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