2900851-4 — ATTENUATOR,VARIABLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2900851-4: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include body_style: IRREGULAR, power_rating: 1.0 WATTS AVERAGE, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 1.380 INCHES NOMINAL IN, overall_length: 6.610 INCHES NOMINAL IN, frequency_range: 3.100 GIGAHERTZ MINIMUM AND 3.500 GIGAHERTZ MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-263-5206, 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

2900851-4

NSN: 5985-01-263-5206
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

body_style	IRREGULAR
power_rating	1.0 WATTS AVERAGE
overall_width	2.500 INCHES NOMINAL IN
overall_height	1.380 INCHES NOMINAL IN
overall_length	6.610 INCHES NOMINAL IN
frequency_range	3.100 GIGAHERTZ MINIMUM AND 3.500 GIGAHERTZ MAXIMUM
application_design	TRANSMISSION LINE
step_position_quantity	4
impedance_rating_in_ohms	50.0 INPUT-OUTPUT
terminal_type_and_quantity	2 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, RECEPTACLE
voltage_standing_wave_ratio	1.30
attenuation_variation_method	STEPPED
NSN	5985-01-263-5206

COMPONENT DIAGRAM

KEY FEATURES

•

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS: 2.6

•

IMPEDANCE RATING IN OHMS: 50.0 INPUT-OUTPUT

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 CONNECTOR

•

FREQUENCY RANGE: 3.100 GIGAHERTZ MINIMUM AND 3.500 GIGAHERTZ MAXIMUM

•

BODY STYLE: IRREGULAR

•

ATTENUATION ACCURACY REFERENCE FREQUENCY: 3.3 GIGAHERTZ

•

ADJUSTMENT DEVICE TYPE AND QUANTITY: 1 ELECTRONIC, CURRENT CONTROLLED AND 1 ELECTRONIC, VOLTAGE CONTROLLED

TECHNICAL CHARACTERISTICS

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS	2.6
IMPEDANCE RATING IN OHMS	50.0 INPUT-OUTPUT
MOUNTING FACILITY TYPE AND QUANTITY	2 CONNECTOR
OVERALL HEIGHT	1.380 INCHES NOMINAL IN
FREQUENCY RANGE	3.100 GIGAHERTZ MINIMUM AND 3.500 GIGAHERTZ MAXIMUM
BODY STYLE	IRREGULAR
ATTENUATION ACCURACY REFERENCE FREQUENCY	3.3 GIGAHERTZ
ADJUSTMENT DEVICE TYPE AND QUANTITY	1 ELECTRONIC, CURRENT CONTROLLED AND 1 ELECTRONIC, VOLTAGE CONTROLLED
OVERALL ATTENUATION RANGE IN DECIBELS	+0.0 TO 15.0
VOLTAGE STANDING WAVE RATIO	1.30

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 2

DA-A11SSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5056-K45Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 2900851-4?

2900851-4 is a ATTENUATOR,VARIABLE.

What parts can replace 2900851-4?

There are 2 known substitutes for 2900851-4: DA-A11S, 5056-K45. Substitute compatibility should be verified for your specific system.

What is the NSN for 2900851-4?

2900851-4 is cataloged in the U.S. Government catalog under NSN 5985-01-263-5206. This indicates validated use in U.S. government and defense supply chains.

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