500L4 — ATTENUATOR,VARIABLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

500L4: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include power_rating: 4.0 WATTS AVERAGE, body_diameter: 1.625 INCHES NOMINAL IN, bushing_length: 0.375 INCHES NOMINAL IN, application_design: AUDIO, impedance_rating_in_ohms: 500.0 INPUT, mounting_thread_quantity: 32 PER INCH. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-977-1247, 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

500L4

NSN: 5985-00-977-1247
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)

SPECIFICATIONS

power_rating	4.0 WATTS AVERAGE
body_diameter	1.625 INCHES NOMINAL IN
bushing_length	0.375 INCHES NOMINAL IN
application_design	AUDIO
impedance_rating_in_ohms	500.0 INPUT
mounting_thread_quantity	32 PER INCH
terminal_type_and_quantity	4 TAB, SOLDER LUG
attenuation_variation_method	CONTINUOUS
schematic_diagram_designator	UNBALANCED "LL"
mounting_facility_type_and_quantity	1 THREADED BUSHING
overall_attenuation_range_in_decibels	+0.0 TO 38.0
overall_attenuation_accuracy_in_decibels	-2.85 TO 2.85
NSN	5985-00-977-1247

COMPONENT DIAGRAM

KEY FEATURES

•

BUSHING LENGTH: 0.375 INCHES NOMINAL IN

•

IMPEDANCE RATING IN OHMS: 500.0 INPUT

•

BODY DIAMETER: 1.625 INCHES NOMINAL IN

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING

•

OVERALL ATTENUATION RANGE IN DECIBELS: +0.0 TO 38.0

•

MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNEF

•

OVERALL ATTENUATION ACCURACY IN DECIBELS: -2.85 TO 2.85

•

ATTENUATION VARIATION METHOD: CONTINUOUS

TECHNICAL CHARACTERISTICS

BUSHING LENGTH	0.375 INCHES NOMINAL IN
IMPEDANCE RATING IN OHMS	500.0 INPUT
BODY DIAMETER	1.625 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
OVERALL ATTENUATION RANGE IN DECIBELS	+0.0 TO 38.0
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR	UNEF
OVERALL ATTENUATION ACCURACY IN DECIBELS	-2.85 TO 2.85
ATTENUATION VARIATION METHOD	CONTINUOUS
SCHEMATIC DIAGRAM DESIGNATOR	UNBALANCED "LL"
MOUNTING THREAD QUANTITY	32 PER INCH

OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876

SUBSTITUTES & CROSS-REFERENCES 1

7164469P1Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 500L4?

500L4 is a ATTENUATOR,VARIABLE.

What parts can replace 500L4?

There is 1 known substitute for 500L4: 7164469P1. Substitute compatibility should be verified for your specific system.

What is the NSN for 500L4?

500L4 is cataloged in the U.S. Government catalog under NSN 5985-00-977-1247. This indicates validated use in U.S. government and defense supply chains.

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500L4 — ATTENUATOR,VARIABLE

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