155-A18 — ATTENUATOR,VARIABLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

155-A18: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include body_style: WAVEGUIDE TYPE, power_rating: 1.0 WATTS AVERAGE, overall_width: 1.687 INCHES MAXIMUM IN, overall_height: 2.343 INCHES NOMINAL IN, overall_length: 6.000 INCHES NOMINAL IN, frequency_range: 7.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-239-0197, 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

155-A18

NSN: 5985-00-239-0197
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 00929 — MICROLAB/FXR LLC (USA)

SPECIFICATIONS

body_style	WAVEGUIDE TYPE
power_rating	1.0 WATTS AVERAGE
overall_width	1.687 INCHES MAXIMUM IN
overall_height	2.343 INCHES NOMINAL IN
overall_length	6.000 INCHES NOMINAL IN
frequency_range	7.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM
application_design	WAVEGUIDE
mounting_facility_pattern	FOUR POSITION RECTANGULAR
terminal_type_and_quantity	2 FLANGE
voltage_standing_wave_ratio	1.15
attenuation_variation_method	CONTINUOUS
waveguide_flange_designation	UG-1493/U AND UG-1494/U
NSN	5985-00-239-0197

COMPONENT DIAGRAM

KEY FEATURES

•

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS: 0.5

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 TERMINAL WITH MOUNTING HOLES AND 8 UNTHREADED HOLE(S)

•

FREQUENCY RANGE: 7.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM

•

BODY STYLE: WAVEGUIDE TYPE

•

MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR

•

ADJUSTMENT DEVICE TYPE AND QUANTITY: 1 KNOB

•

OVERALL ATTENUATION RANGE IN DECIBELS: +0.0 TO 20.0

TECHNICAL CHARACTERISTICS

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS	0.5
MOUNTING FACILITY TYPE AND QUANTITY	2 TERMINAL WITH MOUNTING HOLES AND 8 UNTHREADED HOLE(S)
OVERALL HEIGHT	2.343 INCHES NOMINAL IN
FREQUENCY RANGE	7.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM
BODY STYLE	WAVEGUIDE TYPE
MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR
ADJUSTMENT DEVICE TYPE AND QUANTITY	1 KNOB
OVERALL ATTENUATION RANGE IN DECIBELS	+0.0 TO 20.0
VOLTAGE STANDING WAVE RATIO	1.15
WAVEGUIDE FLANGE DESIGNATION	UG-1493/U AND UG-1494/U

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 3

2185773-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

B9003-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

B-8073-2Reference document

Same NSN cross-reference

Reference document — Secondary 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 155-A18?

155-A18 is a ATTENUATOR,VARIABLE.

What parts can replace 155-A18?

There are 3 known substitutes for 155-A18: 2185773-2, B9003-2, B-8073-2. Substitute compatibility should be verified for your specific system.

What is the NSN for 155-A18?

155-A18 is cataloged in the U.S. Government catalog under NSN 5985-00-239-0197. This indicates validated use in U.S. government and defense supply chains.

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155-A18 — ATTENUATOR,VARIABLE

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