PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3458Attenuator,variable

General Microwave Corporation Div Kratos Microwave Electronics · NSN 5985-01-376-4303 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-376-4303 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-376-4303. Primary manufacturer part number: 3458.
Features
  • Attenuator,variable — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Power Rating: 1.0 WATTS AVERAGE
  • Frequency Range: 6.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
  • Insertion Loss at Minimum Attenuation in Maximum Decibels: 3.0
  • Overall Attenuation Range in Decibels: +0.9 TO 3.5
  • Voltage Standing Wave Ratio: 1.80
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-376-4303, 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 General Microwave Corporation Div Kratos Microwave Electronics. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-376-4303
Primary Part Number3458
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerGeneral Microwave Corporation Div Kratos Microwave Electronics
StatusACTIVE
Application DesignTRANSMISSION LINE
Power Rating1.0 WATTS AVERAGE
Frequency Range6.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Insertion Loss at Minimum Attenuation in Maximum Decibels3.0
Overall Attenuation Range in Decibels+0.9 TO 3.5
Voltage Standing Wave Ratio1.80
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-117-0759 INTERCHANGEABLE
Bearing,roller,thrust
5365-00-126-81413458 INTERCHANGEABLE
Shim
Lucent Technologies Inc Corporate Headquarters
5310-00-515-7828 INTERCHANGEABLE
Nut,plain,hexagon
6145-00-578-7514M5086/2-12-9 INTERCHANGEABLE
Wire,electrical
Sae International Dba Sae International
5950-00-898-9798BL8482 INTERCHANGEABLE
Transformer,power
Breeze-Eastern Llc
5825-00-901-25323458 INTERCHANGEABLE
Reproducer Switchin
The Bechdon Company, Llc
5975-01-310-8843 INTERCHANGEABLE
Grounding Set,transmission Line
5365-01-421-1973R-LT1040-30 INTERCHANGEABLE
Spacer,sleeve
B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems
Cross-Reference Index
Part NumberManufacturer
3458 PRIMARY General Microwave Corporation Div Kratos Microwave Electronics (USA)
91549564 Thales Sa (FRA)
91549564 Thales Las France SAS (FRA)
Related Parts
3110-00-117-0759INTERCHANGEABLE
BEARING,ROLLER,THRUST
5365-00-126-8141INTERCHANGEABLE
SHIM
3458
5310-00-515-7828INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6145-00-578-7514INTERCHANGEABLE
WIRE,ELECTRICAL
M5086/2-12-9
5950-00-898-9798INTERCHANGEABLE
TRANSFORMER,POWER
BL8482
5825-00-901-2532INTERCHANGEABLE
REPRODUCER SWITCHIN
3458
5975-01-310-8843INTERCHANGEABLE
GROUNDING SET,TRANSMISSION LINE
5365-01-421-1973INTERCHANGEABLE
SPACER,SLEEVE
R-LT1040-30

Frequently Asked Questions

What is NSN 5985-01-376-4303?

NSN 5985-01-376-4303 is a Attenuator,variable, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-376-4303?

NSN 5985-01-376-4303 has 3 cross-referenced part numbers: 3458 (General Microwave Corporation Div Kratos Microwave Electronics), 91549564 (Thales Sa), 91549564 (Thales Las France SAS).

What NSN replaces 5985-01-376-4303?

There are 8 known substitutes for 5985-01-376-4303: 3110-00-117-0759, 5365-00-126-8141, 5310-00-515-7828 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3458?

Key specifications for 3458: Application Design: TRANSMISSION LINE; Power Rating: 1.0 WATTS AVERAGE; Frequency Range: 6.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM; Insertion Loss at Minimum Attenuation in Maximum Decibels: 3.0. 6 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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