PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4674-20SAttenuator,variable

Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc · NSN 5985-00-482-2904 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-482-2904 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-482-2904. Primary manufacturer part number: 4674-20S.
Features
  • Attenuator,variable — FSC 5985
  • Attenuation Variation Method: CONTINUOUS
  • Overall Attenuation Range in Decibels: +0.0 TO 12.0
  • Frequency Range: 2.000 GIGAHERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
  • Body Style: COAXIAL TYPE
  • Power Rating: 10.0 WATTS AVERAGE
  • Body Material: ALUMINUM
  • Coaxial Connector Series Designation: SMA
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-482-2904, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-482-2904
Primary Part Number4674-20S
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAntenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc
StatusACTIVE
Attenuation Variation MethodCONTINUOUS
Overall Attenuation Range in Decibels+0.0 TO 12.0
Frequency Range2.000 GIGAHERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
Body StyleCOAXIAL TYPE
Power Rating10.0 WATTS AVERAGE
Body MaterialALUMINUM
Coaxial Connector Series DesignationSMA
Application DesignTRANSMISSION LINE
Adjustment Device Type and Quantity1 KNOB
Terminal Type and Quantity2 CONNECTOR, COAXIAL, FEMALE
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2920-01-218-840555-3304 INTERCHANGEABLE
Distributor,ignition System
Arrow Automotive Industries
Cross-Reference Index
Part NumberManufacturer
365615-1 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
4674-20S PRIMARY Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA)
Related Parts
2920-01-218-8405INTERCHANGEABLE
DISTRIBUTOR,IGNITION SYSTEM
55-3304

Frequently Asked Questions

What is NSN 5985-00-482-2904?

NSN 5985-00-482-2904 is a Attenuator,variable, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-482-2904?

NSN 5985-00-482-2904 has 2 cross-referenced part numbers: 365615-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 4674-20S (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).

What NSN replaces 5985-00-482-2904?

There is 1 known substitute for 5985-00-482-2904: 2920-01-218-8405. Verify interchangeability with system specifications before substitution.

What are the specifications of 4674-20S?

Key specifications for 4674-20S: Attenuation Variation Method: CONTINUOUS; Overall Attenuation Range in Decibels: +0.0 TO 12.0; Frequency Range: 2.000 GIGAHERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM; Body Style: COAXIAL TYPE. 12 total characteristics are documented in the Federal Logistics Information System.

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