PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58-20-33Attenuator,fixed

Spectrum Control Inc Div Weinschel · NSN 5985-01-576-3618 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-576-3618 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-576-3618. Primary manufacturer part number: 58-20-33.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Voltage Standing Wave Ratio: 1.10 AND 1.25
  • Mounting Facility Thread Size and Series/type Designator: 6-32 UNIFIED NATIONAL COARSE (UNC)
  • Mounting Method: THREADED HOLE(S)
  • Terminal Type and Quantity: 2 CONNECTOR
  • Coaxial Connector Series Designation: N
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-576-3618, 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 20 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
NSN5985-01-576-3618
Primary Part Number58-20-33
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSpectrum Control Inc Div Weinschel
StatusACTIVE
Application DesignTRANSMISSION LINE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Voltage Standing Wave Ratio1.10 AND 1.25
Mounting Facility Thread Size and Series/type Designator6-32 UNIFIED NATIONAL COARSE (UNC)
Mounting MethodTHREADED HOLE(S)
Terminal Type and Quantity2 CONNECTOR
Coaxial Connector Series DesignationN
Voltage Standing Wave Ratio Frequency Range+0.0 TO 2.0 GIGAHERTZ AND +2.0 TO 5.0 GIGAHERTZ
Power Rating250.0 WATTS AVERAGE
Rf Signal Attenuation in Decibels20.0
Output Impedance Rating in Ohms50.0
Center to Center Distance Between Mounting Facilities Parallel to Width57.2 MILLIMETERS NOMINAL MM
Connection Type Per FunctionFEMALE INPUT AND FEMALE OUTPUT
Input Impedance Rating in Ohms50.0
Center to Center Distance Between Mounting Facilities Parallel to Height57.2 MILLIMETERS NOMINAL MM
Frequency Range0.000 HERTZ MINIMUM AND 5.000 GIGAHERTZ MAXIMUM
Mounting Hole/stud Quantity8
Unthreaded Mounting Hole Diameter0.138 INCHES NOMINAL IN
Body StyleRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
MaterialALUMINUM ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-392-698958203-3 INTERCHANGEABLE
Deck Box Operator,valve
Triumph Controls, Llc Dba Triumph Controls, Llc
4820-01-702-7741 INTERCHANGEABLE
Deck Box Operator,valve
Cross-Reference Index
Part NumberManufacturer
58-20-33 PRIMARY Spectrum Control Inc Div Weinschel (USA)
Related Parts
4820-01-392-6989INTERCHANGEABLE
DECK BOX OPERATOR,VALVE
58203-3
4820-01-702-7741INTERCHANGEABLE
DECK BOX OPERATOR,VALVE

Frequently Asked Questions

What is NSN 5985-01-576-3618?

NSN 5985-01-576-3618 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 5985-01-576-3618?

NSN 5985-01-576-3618 has 1 cross-referenced part number: 58-20-33 (Spectrum Control Inc Div Weinschel).

What NSN replaces 5985-01-576-3618?

There are 2 known substitutes for 5985-01-576-3618: 4820-01-392-6989, 4820-01-702-7741. Verify interchangeability with system specifications before substitution.

What are the specifications of 58-20-33?

Key specifications for 58-20-33: Application Design: TRANSMISSION LINE; Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Voltage Standing Wave Ratio: 1.10 AND 1.25; Mounting Facility Thread Size and Series/type Designator: 6-32 UNIFIED NATIONAL COARSE (UNC). 25 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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