PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

664Microphone,dynamic

Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division · NSN 5965-00-044-4489 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-044-4489 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-044-4489. Primary manufacturer part number: 664.
Features
  • Microphone,dynamic — FSC 5965
  • Diameter: 1.875 INCHES NOMINAL IN
  • Switch Type: SLIDE
  • Output Sensitivity Rating Reference: 10 DYNES PER SQ CENTIMETER
  • Extended Cable Length: 18.0 FEET NOMINAL FT
  • Connector Manufacturer Code: 02660
  • Mounting Method: THREADED BUSHING
  • Length: 10.750 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 5965-00-044-4489, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-00-044-4489
Primary Part Number664
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
Diameter1.875 INCHES NOMINAL IN
Switch TypeSLIDE
Output Sensitivity Rating Reference10 DYNES PER SQ CENTIMETER
Extended Cable Length18.0 FEET NOMINAL FT
Connector Manufacturer Code02660
Mounting MethodTHREADED BUSHING
Length10.750 INCHES NOMINAL IN
Frequency Response Range in Hertz+40.0 TO 15000.0
Connector IdentificationMC4M
Output Sensitivity Rating in Decibels-55.0
Polarity ConnectionREQUIRED
Electrical Connection TypeINTEGRAL CABLE
Sound Pickup Directional TypeUNIDIRECTIONAL
Cable Conductor Quantity2
Impedance Rating150.0 OHMS NOMINAL
Height9.188 INCHES NOMINAL IN
Accessory ComponentsCONNECTOR
Body StyleSTAND TYPE W/ OR W/O STAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0671664 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5130-00-117-4743 INTERCHANGEABLE
Drill,electric,portable
6760-00-148-1938 INTERCHANGEABLE
Cable Release,photographic Shutt
4820-00-430-5602133C5J INTERCHANGEABLE
Cock,plug
Anderson Brass Co
5975-00-488-3675664 INTERCHANGEABLE
Cover,junction Box
Ni Industries Inc Bowers Mfg Co Div
6625-00-720-313922194 INTERCHANGEABLE
Multimeter
Naval Ship Systems Command
5120-00-876-798066-4 INTERCHANGEABLE
Wrench,electrical a
Custom Control Sensors, Llc
5945-00-898-71831326586 INTERCHANGEABLE
Relay,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2920-01-038-1339664 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
4730-01-182-0936046031-1 INTERCHANGEABLE
Strainer,suction
Sea Cure Technology, Inc
Cross-Reference Index
Part NumberManufacturer
A50224 Turner Div of Conrac Corp (USA)
664 PRIMARY Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA)
A50200 Turner Div of Conrac Corp (USA)
Related Parts
3110-00-100-0671INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
664
5130-00-117-4743INTERCHANGEABLE
DRILL,ELECTRIC,PORTABLE
6760-00-148-1938INTERCHANGEABLE
CABLE RELEASE,PHOTOGRAPHIC SHUTT
4820-00-430-5602INTERCHANGEABLE
COCK,PLUG
133C5J
5975-00-488-3675INTERCHANGEABLE
COVER,JUNCTION BOX
664
6625-00-720-3139INTERCHANGEABLE
MULTIMETER
22194
5120-00-876-7980INTERCHANGEABLE
WRENCH,ELECTRICAL A
66-4
5945-00-898-7183INTERCHANGEABLE
RELAY,ROTARY
1326586
2920-01-038-1339INTERCHANGEABLE
SPARK PLUG
664
4730-01-182-0936INTERCHANGEABLE
STRAINER,SUCTION
046031-1
7510-01-243-4518INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
665 1/4 IN.
6240-01-421-3621INTERCHANGEABLE
LAMP,INCANDESCENT
664

Frequently Asked Questions

What is NSN 5965-00-044-4489?

NSN 5965-00-044-4489 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 5965-00-044-4489?

NSN 5965-00-044-4489 has 3 cross-referenced part numbers: A50224 (Turner Div of Conrac Corp), 664 (Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division), A50200 (Turner Div of Conrac Corp).

What NSN replaces 5965-00-044-4489?

There are 12 known substitutes for 5965-00-044-4489: 3110-00-100-0671, 5130-00-117-4743, 6760-00-148-1938 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 664?

Key specifications for 664: Diameter: 1.875 INCHES NOMINAL IN; Switch Type: SLIDE; Output Sensitivity Rating Reference: 10 DYNES PER SQ CENTIMETER; Extended Cable Length: 18.0 FEET NOMINAL FT. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-00-044-4489 still in active supply?

NSN 5965-00-044-4489 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.
PartsTable Design LLC · partstable.com