PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90-30-34Attenuator,fixed

Spectrum Control Inc Div Weinschel · NSN 5985-01-657-6574 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-657-6574 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-657-6574. Primary manufacturer part number: 90-30-34.
Features
  • Attenuator,fixed — FSC 5985
  • Material: ALUMINUM BODY
  • Power Rating: 50.0 WATTS AVERAGE
  • Features Provided: ROHS DIRECTIVE COMPLIANCE
  • Output Impedance Rating in Ohms: 50.0
  • Input Impedance Rating in Ohms: 50.0
  • Frequency Sensitivity Attenuation in Decibels: 1.0
  • Overall Diameter: 2.60 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-657-6574, 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 Spectrum Control Inc Div Weinschel. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-657-6574
Primary Part Number90-30-34
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSpectrum Control Inc Div Weinschel
StatusACTIVE
MaterialALUMINUM BODY
Power Rating50.0 WATTS AVERAGE
Features ProvidedROHS DIRECTIVE COMPLIANCE
Output Impedance Rating in Ohms50.0
Input Impedance Rating in Ohms50.0
Frequency Sensitivity Attenuation in Decibels1.0
Overall Diameter2.60 INCHES NOMINAL IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Precious Material and LocationPLATED CONTACTS GOLD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1660-00-180-6451477310 INTERCHANGEABLE
Strainer,metering N
Meggitt Troy Inc
5995-01-252-658032001-29508-29738-19 INTERCHANGEABLE
Cable Assembly,radio Frequency
Huber+suhner Astrolab, Inc. Dba Huber & Suhner Astrolab Inc
Cross-Reference Index
Part NumberManufacturer
90-30-34 PRIMARY Spectrum Control Inc Div Weinschel (USA)
Related Parts
1660-00-180-6451INTERCHANGEABLE
STRAINER,METERING N
477310
5995-01-252-6580INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
32001-29508-29738-19

Frequently Asked Questions

What is NSN 5985-01-657-6574?

NSN 5985-01-657-6574 is a Attenuator,fixed, manufactured by Spectrum Control Inc Div Weinschel, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-657-6574?

NSN 5985-01-657-6574 has 1 cross-referenced part number: 90-30-34 (Spectrum Control Inc Div Weinschel).

What NSN replaces 5985-01-657-6574?

There are 2 known substitutes for 5985-01-657-6574: 1660-00-180-6451, 5995-01-252-6580. Verify interchangeability with system specifications before substitution.

What are the specifications of 90-30-34?

Key specifications for 90-30-34: Material: ALUMINUM BODY; Power Rating: 50.0 WATTS AVERAGE; Features Provided: ROHS DIRECTIVE COMPLIANCE; Part Name Assigned by Controlling Agency: MODEL 90 MEDIUM POWER, N CONNECTOR. 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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