PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L600Attenuator,variable

Yosemite Investment Inc Dba North American Capacitor Co · NSN 5985-00-500-6856 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-500-6856 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-500-6856. Primary manufacturer part number: L600.
Features
  • Attenuator,variable — FSC 5985
  • Application Design: AUDIO
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
  • Mounting Facility Nominal Screw Thread Diameter: 0.375 INCHES IN
  • Impedance Rating in Ohms: 600.0 INPUT
  • Schematic Diagram Designator: UNBALANCED "LL"
  • Attenuation Variation Method: CONTINUOUS
  • Mounting Thread Quantity: 32 PER INCH
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-500-6856, 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 Yosemite Investment Inc Dba North American Capacitor Co. Government technical data includes 13 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
NSN5985-00-500-6856
Primary Part NumberL600
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerYosemite Investment Inc Dba North American Capacitor Co
StatusACTIVE
Application DesignAUDIO
Terminal Type and Quantity4 TAB, SOLDER LUG
Mounting Facility Nominal Screw Thread Diameter0.375 INCHES IN
Impedance Rating in Ohms600.0 INPUT
Schematic Diagram DesignatorUNBALANCED "LL"
Attenuation Variation MethodCONTINUOUS
Mounting Thread Quantity32 PER INCH
Mounting Facility Type and Quantity1 THREADED BUSHING
Bushing Length0.375 INCHES NOMINAL IN
Frequency Range0.000 KILOHERTZ MINIMUM AND 20.000 KILOHERTZ MAXIMUM
Power Rating4.0 WATTS AVERAGE
Overall Diameter1.625 INCHES NOMINAL IN
Mounting Facility Screw Thread Series DesignatorUNEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5985-00-256-6395 INTERCHANGEABLE
Attenuator,variable
5975-00-642-7263 INTERCHANGEABLE
Locknut,electrical Conduit
5985-01-008-1672L600 INTERCHANGEABLE
Mixer,crystal,coaxial
Telephonics Corp/prd Instruments
Cross-Reference Index
Part NumberManufacturer
L600 PRIMARY Yosemite Investment Inc Dba North American Capacitor Co (USA)
318-110-026 L3harris Interstate Electronics Corporation (USA)
Related Parts
5985-00-256-6395INTERCHANGEABLE
ATTENUATOR,VARIABLE
5975-00-642-7263INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
5985-01-008-1672INTERCHANGEABLE
MIXER,CRYSTAL,COAXIAL
L600

Frequently Asked Questions

What is NSN 5985-00-500-6856?

NSN 5985-00-500-6856 is a Attenuator,variable, manufactured by Yosemite Investment Inc Dba North American Capacitor Co, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-500-6856?

NSN 5985-00-500-6856 has 2 cross-referenced part numbers: L600 (Yosemite Investment Inc Dba North American Capacitor Co), 318-110-026 (L3harris Interstate Electronics Corporation).

What NSN replaces 5985-00-500-6856?

There are 3 known substitutes for 5985-00-500-6856: 5985-00-256-6395, 5975-00-642-7263, 5985-01-008-1672. Verify interchangeability with system specifications before substitution.

What are the specifications of L600?

Key specifications for L600: Application Design: AUDIO; Terminal Type and Quantity: 4 TAB, SOLDER LUG; Mounting Facility Nominal Screw Thread Diameter: 0.375 INCHES IN; Impedance Rating in Ohms: 600.0 INPUT. 13 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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