AUM-25A/40748 — ATTENUATOR,VARIABLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

AUM-25A/40748: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include body_style: COAXIAL TYPE, power_rating: 2.0 WATTS AVERAGE, overall_width: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, overall_height: 1.720 INCHES NOMINAL IN, overall_length: 3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN, frequency_range: 600.000 MEGAHERTZ MINIMUM AND 650.000 MEGAHERTZ MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-065-5577, 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

AUM-25A/40748

NSN: 5985-01-065-5577
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 12457 — MERRIMAC INDUSTRIES, INC (USA)

SPECIFICATIONS

body_style	COAXIAL TYPE
power_rating	2.0 WATTS AVERAGE
overall_width	0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
overall_height	1.720 INCHES NOMINAL IN
overall_length	3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN
frequency_range	600.000 MEGAHERTZ MINIMUM AND 650.000 MEGAHERTZ MAXIMUM
application_design	TRANSMISSION LINE
operating_temp_range	+0.0 TO 65.0 CELSIUS DEGC
impedance_rating_in_ohms	50.0 INPUT-OUTPUT
mounting_facility_pattern	FOUR POSITION RECTANGULAR
terminal_type_and_quantity	1 CONNECTOR, COAXIAL, MALE AND 1 CONNECTOR, COAXIAL, FEMALE
voltage_standing_wave_ratio	1.50
NSN	5985-01-065-5577

COMPONENT DIAGRAM

KEY FEATURES

•

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS: 1.0

•

IMPEDANCE RATING IN OHMS: 50.0 INPUT-OUTPUT

•

MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)

•

FREQUENCY RANGE: 600.000 MEGAHERTZ MINIMUM AND 650.000 MEGAHERTZ MAXIMUM

•

BODY STYLE: COAXIAL TYPE

•

ATTENUATION ACCURACY REFERENCE FREQUENCY: 3.1 MEGAHERTZ

•

MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR

TECHNICAL CHARACTERISTICS

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS	1.0
IMPEDANCE RATING IN OHMS	50.0 INPUT-OUTPUT
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S)
OVERALL HEIGHT	1.720 INCHES NOMINAL IN
FREQUENCY RANGE	600.000 MEGAHERTZ MINIMUM AND 650.000 MEGAHERTZ MAXIMUM
BODY STYLE	COAXIAL TYPE
ATTENUATION ACCURACY REFERENCE FREQUENCY	3.1 MEGAHERTZ
MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR
ADJUSTMENT DEVICE TYPE AND QUANTITY	1 SLOTTED SCREW
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN

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

911742-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is AUM-25A/40748?

AUM-25A/40748 is a ATTENUATOR,VARIABLE.

What parts can replace AUM-25A/40748?

There is 1 known substitute for AUM-25A/40748: 911742-1. Substitute compatibility should be verified for your specific system.

What is the NSN for AUM-25A/40748?

AUM-25A/40748 is cataloged in the U.S. Government catalog under NSN 5985-01-065-5577. This indicates validated use in U.S. government and defense supply chains.

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