PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T50Attenuator,variable

Yosemite Investment Inc Dba North American Capacitor Co · NSN 5985-00-230-5164 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-230-5164 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-230-5164. Primary manufacturer part number: T50.
Features
  • Attenuator,variable — FSC 5985
  • Mounting Facility Type and Quantity: 1 THREADED BUSHING
  • Schematic Diagram Designator: "T"
  • Overall Attenuation Range in Decibels: +0.0 TO 36.0
  • Mounting Facility Screw Thread Series Designator: UNEF
  • Impedance Rating in Ohms: 50.0 INPUT-OUTPUT
  • Bushing Length: 0.375 INCHES NOMINAL IN
  • Power Rating: 15.0 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 5985-00-230-5164, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-230-5164
Primary Part NumberT50
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerYosemite Investment Inc Dba North American Capacitor Co
StatusCANCELLED
Mounting Facility Type and Quantity1 THREADED BUSHING
Schematic Diagram Designator"T"
Overall Attenuation Range in Decibels+0.0 TO 36.0
Mounting Facility Screw Thread Series DesignatorUNEF
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Bushing Length0.375 INCHES NOMINAL IN
Power Rating15.0 WATTS AVERAGE
Mounting Facility Nominal Screw Thread Diameter0.375 INCHES IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Attenuation Variation MethodCONTINUOUS
Body Diameter1.594 INCHES NOMINAL IN
Mounting Thread Quantity32 PER INCH
Overall Attenuation Accuracy in Decibels-0.90 TO 0.90
Application DesignAUDIO
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5965-00-170-5232M-105/U INTERCHANGEABLE
Microphone,dynamic
Joint Electronics Type Designation System
3020-00-252-7348ASA50-3 INTERCHANGEABLE
Chain,roller
Diamond Chain Co Div of Amsted Industries Inc
5940-00-271-4032 INTERCHANGEABLE
Terminal,stud
6685-00-729-6498 INTERCHANGEABLE
Tester,pressure Gage
6135-00-803-3012 INTERCHANGEABLE
Battery,nonrechargeable
5940-00-819-36491388 INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
5120-00-889-1796CS5000 INTERCHANGEABLE
Tacker
Duo-Fast Corp
5950-00-890-9366TM50 INTERCHANGEABLE
Transformer,electri
Bogen Communications Inc
5975-00-903-4728 INTERCHANGEABLE
Conduit Outlet
5120-01-415-4195T50 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Stanley Industrial & Automotive Llc
Cross-Reference Index
Part NumberManufacturer
T50 Mallory Sonalert Products, Inc. (USA)
D5-3-142 Dumont Airplane and Marine Instruments Inc (USA)
T50 PRIMARY Yosemite Investment Inc Dba North American Capacitor Co (USA)
Related Parts
5965-00-170-5232INTERCHANGEABLE
MICROPHONE,DYNAMIC
M-105/U
3020-00-252-7348INTERCHANGEABLE
CHAIN,ROLLER
ASA50-3
5940-00-271-4032INTERCHANGEABLE
TERMINAL,STUD
6685-00-729-6498INTERCHANGEABLE
TESTER,PRESSURE GAGE
6135-00-803-3012INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5940-00-819-3649INTERCHANGEABLE
TERMINAL BOARD
1388
5120-00-889-1796INTERCHANGEABLE
TACKER
CS5000
5950-00-890-9366INTERCHANGEABLE
TRANSFORMER,ELECTRI
TM50
5975-00-903-4728INTERCHANGEABLE
CONDUIT OUTLET
5120-01-415-4195INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
T50
3950-01-525-7132INTERCHANGEABLE
TROLLEY,MONORAIL

Frequently Asked Questions

What is NSN 5985-00-230-5164?

NSN 5985-00-230-5164 is a Attenuator,variable, manufactured by Yosemite Investment Inc Dba North American Capacitor Co, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-230-5164?

NSN 5985-00-230-5164 has 3 cross-referenced part numbers: T50 (Mallory Sonalert Products, Inc.), D5-3-142 (Dumont Airplane and Marine Instruments Inc), T50 (Yosemite Investment Inc Dba North American Capacitor Co).

What NSN replaces 5985-00-230-5164?

There are 11 known substitutes for 5985-00-230-5164: 5965-00-170-5232, 3020-00-252-7348, 5940-00-271-4032 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T50?

Key specifications for T50: Mounting Facility Type and Quantity: 1 THREADED BUSHING; Schematic Diagram Designator: "T"; Overall Attenuation Range in Decibels: +0.0 TO 36.0; Mounting Facility Screw Thread Series Designator: UNEF. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-230-5164 still in active supply?

NSN 5985-00-230-5164 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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