PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCC99518Attenuator,variable

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5985-00-230-5166 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-230-5166 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-230-5166. Primary manufacturer part number: SCC99518.
Features
  • Attenuator,variable — FSC 5985
  • Overall Attenuation Accuracy in Decibels: -0.35 TO 0.35
  • Shaft Type: ROUND
  • Impedance Rating in Ohms: 600.0 INPUT-OUTPUT
  • Distance Between Mounting Facility Centers: 1.500 INCHES NOMINAL IN
  • Application Design: AUDIO
  • Attenuation Per Step in Decibels: 10.0
  • Mounting Facility Nominal Screw Thread Diameter: 0.164 INCHES IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-230-5166, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-230-5166
Primary Part NumberSCC99518
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Overall Attenuation Accuracy in Decibels-0.35 TO 0.35
Shaft TypeROUND
Impedance Rating in Ohms600.0 INPUT-OUTPUT
Distance Between Mounting Facility Centers1.500 INCHES NOMINAL IN
Application DesignAUDIO
Attenuation Per Step in Decibels10.0
Mounting Facility Nominal Screw Thread Diameter0.164 INCHES IN
Step Position Quantity7
Frequency Range200.000 HERTZ MINIMUM AND 35.000 KILOHERTZ MAXIMUM
Mounting Facility PatternTWO POSITION IN-LINE
Attenuation Variation MethodSTEPPED
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Adjustment Device Type and Quantity1 SHAFT
Shaft Diameter0.250 INCHES NOMINAL IN
Body Length3.000 INCHES MAXIMUM IN
Power Rating2.0 WATTS AVERAGE
Mounting Thread Quantity32 PER INCH
Terminal Type and Quantity3 TAB, SOLDER LUG
Overall Diameter2.781 INCHES MAXIMUM IN
Schematic Diagram DesignatorBALANCED "H"
Body StyleCYLINDRICAL W/REAR TERMINALS
Shaft Length0.938 INCHES NOMINAL IN
Overall Attenuation Range in Decibels+0.0 TO 70.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-00-811-16103332A INTERCHANGEABLE
Spring,helical,compression
Husco International Inc
Cross-Reference Index
Part NumberManufacturer
B2235-6A Meggitt (new Hampshire), Inc (USA)
D9011 Telephone Company of America Incorporated (USA)
SCC99518 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
3332A Shallco, Inc (USA)
3332A Meggitt (new Hampshire), Inc (USA)
Related Parts
5360-00-811-1610INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3332A

Frequently Asked Questions

What is NSN 5985-00-230-5166?

NSN 5985-00-230-5166 is a Attenuator,variable, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-230-5166?

NSN 5985-00-230-5166 has 5 cross-referenced part numbers: B2235-6A (Meggitt (new Hampshire), Inc), D9011 (Telephone Company of America Incorporated), SCC99518 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 3332A (Shallco, Inc), 3332A (Meggitt (new Hampshire), Inc).

What NSN replaces 5985-00-230-5166?

There is 1 known substitute for 5985-00-230-5166: 5360-00-811-1610. Verify interchangeability with system specifications before substitution.

What are the specifications of SCC99518?

Key specifications for SCC99518: Overall Attenuation Accuracy in Decibels: -0.35 TO 0.35; Shaft Type: ROUND; Overall Length: 3.938 INCHES MAXIMUM IN; Impedance Rating in Ohms: 600.0 INPUT-OUTPUT. 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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