PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RT8Attenuator,variable

Cornell-Dubilier Marketing Inc · NSN 5985-00-781-3836 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-781-3836 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-781-3836. Primary manufacturer part number: RT8.
Features
  • Attenuator,variable — FSC 5985
  • Body Length: 1.875 INCHES NOMINAL IN
  • Shaft Type: ROUND
  • Shaft Length: 0.468 INCHES NOMINAL IN
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Body Diameter: 1.840 INCHES NOMINAL IN
  • Voltage Standing Wave Ratio: 1.00
  • Body Style: CYLINDRICAL W/SIDE TERMINALS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-781-3836, 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 Cornell-Dubilier Marketing Inc. Government technical data includes 20 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-781-3836
Primary Part NumberRT8
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCornell-Dubilier Marketing Inc
StatusACTIVE
Body Length1.875 INCHES NOMINAL IN
Shaft TypeROUND
Shaft Length0.468 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Body Diameter1.840 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.00
Body StyleCYLINDRICAL W/SIDE TERMINALS
Application DesignAUDIO
Segment Attenuation Accuracy in Decibels-0.60 TO 0.60
Mounting Facility Type and Quantity1 THREADED BUSHING
Overall Attenuation Accuracy in Decibels-5.00 TO 5.00
Power Rating3.0 WATTS AVERAGE
Attenuation Variation MethodCONTINUOUS
Impedance Rating in Ohms8.0 INPUT-OUTPUT
Shaft Diameter0.252 INCHES NOMINAL IN
Schematic Diagram DesignatorBRIDGED "T"
Adjustment Device Type and Quantity1 SHAFT
Bushing Length1.000 INCHES NOMINAL IN
Waveguide Flange TypeCHOKE
Overall Attenuation Range in Decibels+0.65 TO 53.50
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6685-00-029-8776 INTERCHANGEABLE
Thermostat,flow Control
4720-00-132-3131RT-8-SS-032-071.5 INTERCHANGEABLE
Hose,metallic
Senior Operations Llc
5945-00-676-0038 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
RT8 Mallory Controls Co Sub of Emhart Industries Inc (USA)
RT8 PRIMARY Cornell-Dubilier Marketing Inc (USA)
Related Parts
6685-00-029-8776INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
4720-00-132-3131INTERCHANGEABLE
HOSE,METALLIC
RT-8-SS-032-071.5
5945-00-676-0038INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5985-00-781-3836?

NSN 5985-00-781-3836 is a Attenuator,variable, manufactured by Cornell-Dubilier Marketing Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-781-3836?

NSN 5985-00-781-3836 has 2 cross-referenced part numbers: RT8 (Mallory Controls Co Sub of Emhart Industries Inc), RT8 (Cornell-Dubilier Marketing Inc).

What NSN replaces 5985-00-781-3836?

There are 3 known substitutes for 5985-00-781-3836: 6685-00-029-8776, 4720-00-132-3131, 5945-00-676-0038. Verify interchangeability with system specifications before substitution.

What are the specifications of RT8?

Key specifications for RT8: Body Length: 1.875 INCHES NOMINAL IN; Overall Length: 3.375 INCHES NOMINAL IN; Shaft Type: ROUND; Shaft Length: 0.468 INCHES NOMINAL IN. 22 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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