PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24030Attenuator,variable

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-00-259-5646 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-259-5646 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-259-5646. Primary manufacturer part number: 24030.
Features
  • Attenuator,variable — FSC 5985
  • Attenuation Per Step in Decibels: 1.0
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S)
  • Application Design: TRANSMISSION LINE
  • Voltage Standing Wave Ratio: 1.50 AND 1.65
  • Adjustment Device Type and Quantity: 2 KNOB
  • Body Style: COAXIAL TYPE
  • Frequency Range: 0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-259-5646, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-259-5646
Primary Part Number24030
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusCANCELLED
Attenuation Per Step in Decibels1.0
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Application DesignTRANSMISSION LINE
Voltage Standing Wave Ratio1.50 AND 1.65
Adjustment Device Type and Quantity2 KNOB
Body StyleCOAXIAL TYPE
Frequency Range0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Overall Attenuation Range in Decibels+0.0 TO 69.0
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Coaxial Connector Series DesignationNPM
Center to Center Distance Between Mounting Facilities Parallel to Length4.062 INCHES NOMINAL IN
Mounting Thread Quantity32 PER INCH
Terminal Type and Quantity2 CONNECTOR, COAXIAL, FEMALE
Attenuation Variation MethodSTEPPED
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL IN
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Power Rating2.0 WATTS AVERAGE
Mounting Facility PatternFOUR POSITION RECTANGULAR
Mounting Facility Nominal Screw Thread Diameter0.138 INCHES IN
Step Position Quantity69
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5120-00-098-4515924030 INTERCHANGEABLE
Wrench,turbine Roto
Curtiss-Wright Controls, Inc. Div Actuation Division
5133-00-227-9665 INTERCHANGEABLE
Drill,twist
5305-00-619-85676198567 INTERCHANGEABLE
Screw,machine
Army, United States Department of the Dba Rock Island Arsenal Jmtc
2810-00-831-1467 INTERCHANGEABLE
Spring,valve Outer
9905-01-218-412524030 INTERCHANGEABLE
Plate,identification
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
924030 Mohawk Communications Inc (USA)
4705-69 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
24030 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
2137297G001 L3harris Technologies, Inc. (USA)
Related Parts
5120-00-098-4515INTERCHANGEABLE
WRENCH,TURBINE ROTO
924030
5133-00-227-9665INTERCHANGEABLE
DRILL,TWIST
5305-00-619-8567INTERCHANGEABLE
SCREW,MACHINE
6198567
2810-00-831-1467INTERCHANGEABLE
SPRING,VALVE OUTER
9905-01-218-4125INTERCHANGEABLE
PLATE,IDENTIFICATION
24030

Frequently Asked Questions

What is NSN 5985-00-259-5646?

NSN 5985-00-259-5646 is a Attenuator,variable, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-259-5646?

NSN 5985-00-259-5646 has 4 cross-referenced part numbers: 924030 (Mohawk Communications Inc), 4705-69 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 24030 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 2137297G001 (L3harris Technologies, Inc.).

What NSN replaces 5985-00-259-5646?

There are 5 known substitutes for 5985-00-259-5646: 5120-00-098-4515, 5133-00-227-9665, 5305-00-619-8567 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24030?

Key specifications for 24030: Attenuation Per Step in Decibels: 1.0; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Application Design: TRANSMISSION LINE; Voltage Standing Wave Ratio: 1.50 AND 1.65. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-259-5646 still in active supply?

NSN 5985-00-259-5646 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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