PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L8Attenuator,variable

Yosemite Investment Inc Dba North American Capacitor Co · NSN 5985-00-539-4562 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-539-4562 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-539-4562. Primary manufacturer part number: L8.
Features
  • Attenuator,variable — FSC 5985
  • Mounting Facility Nominal Screw Thread Diameter: 0.375 INCHES IN
  • Impedance Rating in Ohms: 8.0 INPUT
  • Mounting Thread Quantity: 32 PER INCH
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
  • Mounting Facility Screw Thread Series Designator: UNEF
  • Schematic Diagram Designator: UNBALANCED "LL"
  • Power Rating: 4.0 WATTS AVERAGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-539-4562, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-539-4562
Primary Part NumberL8
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerYosemite Investment Inc Dba North American Capacitor Co
StatusACTIVE
Mounting Facility Nominal Screw Thread Diameter0.375 INCHES IN
Impedance Rating in Ohms8.0 INPUT
Mounting Thread Quantity32 PER INCH
Terminal Type and Quantity4 TAB, SOLDER LUG
Mounting Facility Screw Thread Series DesignatorUNEF
Schematic Diagram DesignatorUNBALANCED "LL"
Power Rating4.0 WATTS AVERAGE
Mounting Facility Type and Quantity1 THREADED BUSHING
Overall Attenuation Range in Decibels+0.0 TO 60.0
Application DesignAUDIO
Overall Diameter1.625 INCHES NOMINAL IN
Adjustment Device Type and Quantity1 KNOB
Attenuation Variation MethodCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
9515-00-130-3536L8 INTERCHANGEABLE
Strip,metal
Precision Steel Warehouse Inc
5330-00-179-0972 INTERCHANGEABLE
Seal,plain Encased
5120-00-189-2988 INTERCHANGEABLE
Key,socket Head Screw
5985-00-501-6468 INTERCHANGEABLE
Attenuator,variable
5120-00-529-4980 INTERCHANGEABLE
Nutdriver
6625-00-531-4675 INTERCHANGEABLE
Ohmmeter
6250-00-844-9784 INTERCHANGEABLE
Ballast,lamp
4940-00-868-8465L8 INTERCHANGEABLE
Basket,dipping-Draining
Graymills Corporation
5940-01-145-6766L-8 INTERCHANGEABLE
Terminal Board
Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries
7690-01-241-6603HML8 INTERCHANGEABLE
Marker,identification
American Labelmark Company Div Labelmaster
Cross-Reference Index
Part NumberManufacturer
L8 Mallory Controls Co Sub of Emhart Industries Inc (USA)
L8 PRIMARY Yosemite Investment Inc Dba North American Capacitor Co (USA)
Related Parts
9515-00-130-3536INTERCHANGEABLE
STRIP,METAL
L8
5330-00-179-0972INTERCHANGEABLE
SEAL,PLAIN ENCASED
5120-00-189-2988INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5985-00-501-6468INTERCHANGEABLE
ATTENUATOR,VARIABLE
5120-00-529-4980INTERCHANGEABLE
NUTDRIVER
6625-00-531-4675INTERCHANGEABLE
OHMMETER
6250-00-844-9784INTERCHANGEABLE
BALLAST,LAMP
4940-00-868-8465INTERCHANGEABLE
BASKET,DIPPING-DRAINING
L8
5940-01-145-6766INTERCHANGEABLE
TERMINAL BOARD
L-8
7690-01-241-6603INTERCHANGEABLE
MARKER,IDENTIFICATION
HML8
3110-01-364-7786INTERCHANGEABLE
BEARING,BALL,LINEAR MOTION
L8

Frequently Asked Questions

What is NSN 5985-00-539-4562?

NSN 5985-00-539-4562 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 5985-00-539-4562?

NSN 5985-00-539-4562 has 2 cross-referenced part numbers: L8 (Mallory Controls Co Sub of Emhart Industries Inc), L8 (Yosemite Investment Inc Dba North American Capacitor Co).

What NSN replaces 5985-00-539-4562?

There are 11 known substitutes for 5985-00-539-4562: 9515-00-130-3536, 5330-00-179-0972, 5120-00-189-2988 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L8?

Key specifications for L8: Mounting Facility Nominal Screw Thread Diameter: 0.375 INCHES IN; Impedance Rating in Ohms: 8.0 INPUT; Mounting Thread Quantity: 32 PER INCH; Terminal Type and Quantity: 4 TAB, SOLDER LUG. 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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