2678490-4 — ATTENUATOR,VARIABLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2678490-4: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include shaft_type: ROUND, power_rating: 100.0 MILLIWATTS PEAK, shaft_length: 1.250 INCHES NOMINAL IN, shaft_diameter: 0.237 INCHES NOMINAL IN, frequency_range: 0.000 HERTZ MINIMUM AND 300.000 MEGAHERTZ MAXIMUM, application_design: TRANSMISSION LINE. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-166-0354, 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

2678490-4

NSN: 5985-00-166-0354
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

shaft_type	ROUND
power_rating	100.0 MILLIWATTS PEAK
shaft_length	1.250 INCHES NOMINAL IN
shaft_diameter	0.237 INCHES NOMINAL IN
frequency_range	0.000 HERTZ MINIMUM AND 300.000 MEGAHERTZ MAXIMUM
application_design	TRANSMISSION LINE
impedance_rating_in_ohms	75.0 INPUT-OUTPUT
terminal_type_and_quantity	2 CONNECTOR, COAXIAL, MALE
voltage_standing_wave_ratio	1.25
attenuation_variation_method	CONTINUOUS
adjustment_device_type_and_quantity	1 SHAFT
mounting_facility_type_and_quantity	1 THREADED BUSHING
NSN	5985-00-166-0354

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: ROUND

•

INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS: 6.0

•

IMPEDANCE RATING IN OHMS: 75.0 INPUT-OUTPUT

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING

•

FREQUENCY RANGE: 0.000 HERTZ MINIMUM AND 300.000 MEGAHERTZ MAXIMUM

•

SHAFT DIAMETER: 0.237 INCHES NOMINAL IN

•

ADJUSTMENT DEVICE TYPE AND QUANTITY: 1 SHAFT

•

OVERALL ATTENUATION RANGE IN DECIBELS: +0.0 TO 110.0

TECHNICAL CHARACTERISTICS

SHAFT TYPE	ROUND
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS	6.0
IMPEDANCE RATING IN OHMS	75.0 INPUT-OUTPUT
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
FREQUENCY RANGE	0.000 HERTZ MINIMUM AND 300.000 MEGAHERTZ MAXIMUM
SHAFT DIAMETER	0.237 INCHES NOMINAL IN
ADJUSTMENT DEVICE TYPE AND QUANTITY	1 SHAFT
OVERALL ATTENUATION RANGE IN DECIBELS	+0.0 TO 110.0
VOLTAGE STANDING WAVE RATIO	1.25
OVERALL ATTENUATION ACCURACY IN DECIBELS	-0.10 TO 0.10

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

CA100-75RAReference 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

Ready to buy 2678490-4?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 2678490-4?

2678490-4 is a ATTENUATOR,VARIABLE.

What parts can replace 2678490-4?

There is 1 known substitute for 2678490-4: CA100-75RA. Substitute compatibility should be verified for your specific system.

What is the NSN for 2678490-4?

2678490-4 is cataloged in the U.S. Government catalog under NSN 5985-00-166-0354. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

2678490-4 — ATTENUATOR,VARIABLE

Request a Quote — 2678490-4