PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

953-20Attenuator,variable

Spectrum Control Inc Div Weinschel · NSN 5985-00-481-8394 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-481-8394 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-481-8394. Primary manufacturer part number: 953-20.
Features
  • Attenuator,variable — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Body Style: COAXIAL TYPE
  • Adjustment Device Type and Quantity: 1 LEVER
  • Attenuation Variation Method: CONTINUOUS
  • Terminal Type and Quantity: 1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE
  • Mounting Facility Type and Quantity: 2 CONNECTOR
  • Frequency Range: 4.000 GIGAHERTZ MINIMUM AND 11.000 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 5985-00-481-8394, 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 14 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-481-8394
Primary Part Number953-20
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSpectrum Control Inc Div Weinschel
StatusACTIVE
Application DesignTRANSMISSION LINE
Body StyleCOAXIAL TYPE
Adjustment Device Type and Quantity1 LEVER
Attenuation Variation MethodCONTINUOUS
Terminal Type and Quantity1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE
Mounting Facility Type and Quantity2 CONNECTOR
Frequency Range4.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM
Coaxial Connector Series DesignationN
Insertion Loss at Minimum Attenuation in Maximum Decibels1.0
Overall Attenuation Accuracy in Decibels-0.30 TO 0.30
Voltage Standing Wave Ratio1.50
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Overall Attenuation Range in Decibels+0.0 TO 20.0
Power Rating1.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6640-00-431-452010-1510 INTERCHANGEABLE
Graduate,liquid,laboratory
Sklar Corporation Dba Sklar Instruments
5930-00-548-53348391K6 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
1660-00-602-031295320 INTERCHANGEABLE
Shaft,butterfly,val
Honeywell International Inc. Div Aerospace - Torrance
7240-00-889-376595320 INTERCHANGEABLE
Measure,liquid
The Vollrath Company, L.l.c. Div Vollrath
4730-01-478-4682LSCP270046-4 INTERCHANGEABLE
Adapter,straight,tube to Boss
General Dynamics Land Systems Inc.
Cross-Reference Index
Part NumberManufacturer
953-20 Spectrum Control Inc Div Weinschel (USA)
Related Parts
6640-00-431-4520INTERCHANGEABLE
GRADUATE,LIQUID,LABORATORY
10-1510
5930-00-548-5334INTERCHANGEABLE
SWITCH,TOGGLE
8391K6
1660-00-602-0312INTERCHANGEABLE
SHAFT,BUTTERFLY,VAL
95320
7240-00-889-3765INTERCHANGEABLE
MEASURE,LIQUID
95320
4730-01-478-4682INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
LSCP270046-4

Frequently Asked Questions

What is NSN 5985-00-481-8394?

NSN 5985-00-481-8394 is a Attenuator,variable, manufactured by Spectrum Control Inc Div Weinschel, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-481-8394?

NSN 5985-00-481-8394 has 1 cross-referenced part number: 953-20 (Spectrum Control Inc Div Weinschel).

What NSN replaces 5985-00-481-8394?

There are 5 known substitutes for 5985-00-481-8394: 6640-00-431-4520, 5930-00-548-5334, 1660-00-602-0312 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 953-20?

Key specifications for 953-20: Application Design: TRANSMISSION LINE; Body Style: COAXIAL TYPE; Adjustment Device Type and Quantity: 1 LEVER; Overall Height: 1.220 INCHES NOMINAL IN. 17 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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