PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

645-18Loudspeaker,permanent Magnet

Dukane Seacom, Inc. Dba Dukane Seacom Inc · NSN 5965-00-836-2690 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-836-2690 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-836-2690. Primary manufacturer part number: 645-18.
Features
  • Loudspeaker,permanent Magnet — FSC 5965
  • Transducer Diameter: 4.0 INCHES NOMINAL IN
  • Power Rating: 4.00 WATTS NORMAL
  • Impedance Rating in Ohms: 35.0 VOICE COIL NOMINAL
  • Mounting Method: UNTHREADED HOLE(S)
  • Transducer Type: CONE
  • Mounting Facility Quantity: 4
  • Frequency Response Range in Hertz: +50.0 TO 15000.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-836-2690, 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 Dukane Seacom, Inc. Dba Dukane Seacom Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, 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
NSN5965-00-836-2690
Primary Part Number645-18
Item NameLoudspeaker,permanent Magnet
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerDukane Seacom, Inc. Dba Dukane Seacom Inc
StatusCANCELLED
Transducer Diameter4.0 INCHES NOMINAL IN
Power Rating4.00 WATTS NORMAL
Impedance Rating in Ohms35.0 VOICE COIL NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Transducer TypeCONE
Mounting Facility Quantity4
Frequency Response Range in Hertz+50.0 TO 15000.0
Frequency Response Tolerance in Decibels-2.0 TO 2.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-161-1180S312-64BBL INTERCHANGEABLE
Handwheel
Kurz-Kasch Inc
4730-00-249-2035 INTERCHANGEABLE
Tee,pipe
4820-00-371-749410995 INTERCHANGEABLE
Valve,control,press
Klauer Manufacturing Company
2510-00-507-38309M798-1 INTERCHANGEABLE
Shock Absorber,direct Action
Maremont Corp
4930-00-563-3653GNYSURG-5-3V-ASSY INTERCHANGEABLE
Surge Suppressor As
Gny Equipment, Inc.
5995-00-779-3409UA-1049 INTERCHANGEABLE
Cable Assembly,elec
United Avionics, Inc. Dba United Avionics Inc
5965-00-981-6509453-820-002-695 INTERCHANGEABLE
Holder,handset
Roanwell, Llc
5310-01-108-62316459 INTERCHANGEABLE
Washer,lock
Eaton Aerospace, Llc Dba Jackson South
6685-01-117-47826459 INTERCHANGEABLE
Control,temperature,indicating
Hoyt Corporation
2920-01-267-86676459 INTERCHANGEABLE
Lead Set,ignition,engine
Standard Motor Products
Cross-Reference Index
Part NumberManufacturer
10995 Dukane Seacom, Inc. Dba Dukane Seacom Inc (USA)
645-18 PRIMARY Dukane Seacom, Inc. Dba Dukane Seacom Inc (USA)
645-10995 Dukane Seacom, Inc. Dba Dukane Seacom Inc (USA)
645-9 Dukane Seacom, Inc. Dba Dukane Seacom Inc (USA)
Related Parts
5340-00-161-1180INTERCHANGEABLE
HANDWHEEL
S312-64BBL
4730-00-249-2035INTERCHANGEABLE
TEE,PIPE
4820-00-371-7494INTERCHANGEABLE
VALVE,CONTROL,PRESS
10995
2510-00-507-3830INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
9M798-1
4930-00-563-3653INTERCHANGEABLE
SURGE SUPPRESSOR AS
GNYSURG-5-3V-ASSY
5995-00-779-3409INTERCHANGEABLE
CABLE ASSEMBLY,ELEC
UA-1049
5965-00-981-6509INTERCHANGEABLE
HOLDER,HANDSET
453-820-002-695
5310-01-108-6231INTERCHANGEABLE
WASHER,LOCK
6459
6685-01-117-4782INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
6459
2920-01-267-8667INTERCHANGEABLE
LEAD SET,IGNITION,ENGINE
6459
5950-01-319-2920INTERCHANGEABLE
TRANSFORMER,POWER
C504000202
5305-01-394-7431INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
933012060

Frequently Asked Questions

What is NSN 5965-00-836-2690?

NSN 5965-00-836-2690 is a Loudspeaker,permanent Magnet, manufactured by Dukane Seacom, Inc. Dba Dukane Seacom Inc, classified under FSC 5965 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5965-00-836-2690?

NSN 5965-00-836-2690 has 4 cross-referenced part numbers: 10995 (Dukane Seacom, Inc. Dba Dukane Seacom Inc), 645-18 (Dukane Seacom, Inc. Dba Dukane Seacom Inc), 645-10995 (Dukane Seacom, Inc. Dba Dukane Seacom Inc), 645-9 (Dukane Seacom, Inc. Dba Dukane Seacom Inc).

What NSN replaces 5965-00-836-2690?

There are 12 known substitutes for 5965-00-836-2690: 5340-00-161-1180, 4730-00-249-2035, 4820-00-371-7494 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 645-18?

Key specifications for 645-18: Transducer Diameter: 4.0 INCHES NOMINAL IN; Power Rating: 4.00 WATTS NORMAL; Impedance Rating in Ohms: 35.0 VOICE COIL NOMINAL; Mounting Method: UNTHREADED HOLE(S). 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-00-836-2690 still in active supply?

NSN 5965-00-836-2690 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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