PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666RMicrophone,dynamic

Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division · NSN 5965-01-081-9543 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-01-081-9543 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-081-9543. Primary manufacturer part number: 666R.
Features
  • Microphone,dynamic — FSC 5965
  • Sound Pickup Directional Type: NOT RATED
  • Polarity Connection: REQUIRED
  • Frequency Response Range in Hertz: +80.0 TO 15000.0
  • Cable Conductor Quantity: 2
  • Electrical Connection Type: INTEGRAL CABLE
  • Impedance Rating: 150.0 OHMS NOMINAL
  • Length: 7.125 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microphone,dynamic, cataloged under National Stock Number 5965-01-081-9543, is classified within Federal Supply Class 5965 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-01-081-9543
Primary Part Number666R
Item NameMicrophone,dynamic
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerBosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division
StatusCANCELLED
Sound Pickup Directional TypeNOT RATED
Polarity ConnectionREQUIRED
Frequency Response Range in Hertz+80.0 TO 15000.0
Cable Conductor Quantity2
Electrical Connection TypeINTEGRAL CABLE
Impedance Rating150.0 OHMS NOMINAL
Length7.125 INCHES NOMINAL IN
Body StyleHAND HELD
Diameter1.875 INCHES NOMINAL IN
Switch TypePUSH
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6625-01-265-6000FLUKE-27II/FM INTERCHANGEABLE
Multimeter
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
666R Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA)
RE-15 Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA)
Related Parts
6625-01-265-6000INTERCHANGEABLE
MULTIMETER
FLUKE-27II/FM

Frequently Asked Questions

What is NSN 5965-01-081-9543?

NSN 5965-01-081-9543 is a Microphone,dynamic, manufactured by Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division, classified under FSC 5965 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5965-01-081-9543?

NSN 5965-01-081-9543 has 2 cross-referenced part numbers: 666R (Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division), RE-15 (Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division).

What NSN replaces 5965-01-081-9543?

There is 1 known substitute for 5965-01-081-9543: 6625-01-265-6000. Verify interchangeability with system specifications before substitution.

What are the specifications of 666R?

Key specifications for 666R: Sound Pickup Directional Type: NOT RATED; Polarity Connection: REQUIRED; Frequency Response Range in Hertz: +80.0 TO 15000.0; Cable Conductor Quantity: 2. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-01-081-9543 still in active supply?

NSN 5965-01-081-9543 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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