PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS12Loudspeaker,permanent Magnet

Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division · NSN 5965-00-809-3839 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-809-3839 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-809-3839. Primary manufacturer part number: LS12.
Features
  • Loudspeaker,permanent Magnet — FSC 5965
  • Style Designator: ROUND
  • Overall Diameter: 12.250 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Mounting Facility Quantity: 4
  • Installation Design: NONPORTABLE
  • Impedance Rating in Ohms: 8.0 VOICE COIL NOMINAL
  • Terminal Type: TAB, SOLDER LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-809-3839, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-00-809-3839
Primary Part NumberLS12
Item NameLoudspeaker,permanent Magnet
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerBosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division
StatusCANCELLED
Style DesignatorROUND
Overall Diameter12.250 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Mounting Facility Quantity4
Installation DesignNONPORTABLE
Impedance Rating in Ohms8.0 VOICE COIL NOMINAL
Terminal TypeTAB, SOLDER LUG
Frequency Response Range in Hertz+35.0 TO 13000.0
Terminal Quantity2
Usage DesignOUTDOOR
Transducer TypeCONE
Power Rating10.00 WATTS NORMAL AND 15.00 WATTS PEAK
Mounting Hole Diameter0.562 INCHES NOMINAL IN
Transducer Diameter12.0 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-155-8905231638-3 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
5120-00-529-2283VSC-1 INTERCHANGEABLE
Lifter,valve Spring
Nestor Sales Llc Dba Aim Supply Co Div Government Sales Division
3120-00-661-7196LS12 INTERCHANGEABLE
Bearing,plain,self-Aligning
Roller Bearing Company of America, Inc.
1730-01-068-8016LS-12 INTERCHANGEABLE
Fixture,parachute Packing
The Boeing Company
4720-01-408-6948LS12 INTERCHANGEABLE
Hose,metallic
Titeflex Canada Ltd
Cross-Reference Index
Part NumberManufacturer
LS12 Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA)
MC12A Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA)
809-2174C Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division (USA)
BF12HU8W Mitek Corporation Dba Mtx/oaktron (USA)
G12J Utah-American Corp (USA)
DL120 International Jensen Inc Jensen Sound Laboratories (USA)
5401238C International Jensen Inc Jensen Sound Laboratories (USA)
LS12A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
531955 Instruments and Flight Research, Inc. (USA)
MILL13941A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
531955-2 Instruments and Flight Research, Inc. (USA)
Related Parts
3110-00-155-8905INTERCHANGEABLE
BEARING,BALL,ANNULAR
231638-3
5120-00-529-2283INTERCHANGEABLE
LIFTER,VALVE SPRING
VSC-1
3120-00-661-7196INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
LS12
1730-01-068-8016INTERCHANGEABLE
FIXTURE,PARACHUTE PACKING
LS-12
4720-01-408-6948INTERCHANGEABLE
HOSE,METALLIC
LS12

Frequently Asked Questions

What is NSN 5965-00-809-3839?

NSN 5965-00-809-3839 is a Loudspeaker,permanent Magnet, 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 5965-00-809-3839?

NSN 5965-00-809-3839 has 11 cross-referenced part numbers: LS12 (Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division), MC12A (Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division), 809-2174C (Bosch Security Systems, Inc Dba Use CAGE Code 25734 for Cataloging Div Communications Division), BF12HU8W (Mitek Corporation Dba Mtx/oaktron), G12J (Utah-American Corp) and 6 more.

What NSN replaces 5965-00-809-3839?

There are 5 known substitutes for 5965-00-809-3839: 3110-00-155-8905, 5120-00-529-2283, 3120-00-661-7196 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS12?

Key specifications for LS12: Overall Depth: 3.500 INCHES NOMINAL IN; Style Designator: ROUND; Overall Diameter: 12.250 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S). 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-00-809-3839 still in active supply?

NSN 5965-00-809-3839 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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