PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP12BLoudspeaker,electromagnetic

Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division · NSN 5965-01-052-1875 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-01-052-1875 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-052-1875. Primary manufacturer part number: SP12B.
Features
  • Loudspeaker,electromagnetic — FSC 5965
  • Terminal Quantity: 2
  • Style Designator: ROUND
  • Horn Mounting Facility Quantity: 8
  • Installation Design: NONPORTABLE
  • Power Rating: 25.00 WATTS NORMAL
  • Mounting Facility Circle Radius: 5.881 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Loudspeaker,electromagnetic, cataloged under National Stock Number 5965-01-052-1875, 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 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-01-052-1875
Primary Part NumberSP12B
Item NameLoudspeaker,electromagnetic
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerBosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division
StatusCANCELLED
Terminal Quantity2
Style DesignatorROUND
Horn Mounting Facility Quantity8
Installation DesignNONPORTABLE
Power Rating25.00 WATTS NORMAL
Mounting Facility Circle Radius5.881 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Mounting Hole Diameter0.281 INCHES NOMINAL IN
Overall Diameter11.938 INCHES NOMINAL IN
Transducer Diameter11.688 INCHES NOMINAL IN
Horn Mounting FacilityUNTHREADED HOLE(S)
Impedance Rating in Ohms8.0 VOICE COIL NOMINAL
Terminal TypeTAB, SOLDER LUG
Voice Coil Diameter2.000 INCHES NOMINAL IN
Transducer TypeCONE
Usage DesignINDOOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-00-268-6041AN121504 INTERCHANGEABLE
Nut,plain,hexagon
Sae International Dba Sae International
5340-00-932-5653 INTERCHANGEABLE
Handle,bow
Cross-Reference Index
Part NumberManufacturer
SP12B Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA)
SP12C Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA)
2D7 Dynalec Corporation (USA)
Related Parts
5310-00-268-6041INTERCHANGEABLE
NUT,PLAIN,HEXAGON
AN121504
5340-00-932-5653INTERCHANGEABLE
HANDLE,BOW

Frequently Asked Questions

What is NSN 5965-01-052-1875?

NSN 5965-01-052-1875 is a Loudspeaker,electromagnetic, 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 5965-01-052-1875?

NSN 5965-01-052-1875 has 3 cross-referenced part numbers: SP12B (Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division), SP12C (Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division), 2D7 (Dynalec Corporation).

What NSN replaces 5965-01-052-1875?

There are 2 known substitutes for 5965-01-052-1875: 5310-00-268-6041, 5340-00-932-5653. Verify interchangeability with system specifications before substitution.

What are the specifications of SP12B?

Key specifications for SP12B: Terminal Quantity: 2; Style Designator: ROUND; Horn Mounting Facility Quantity: 8; Installation Design: NONPORTABLE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-01-052-1875 still in active supply?

NSN 5965-01-052-1875 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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