The Loudspeaker,electromagnetic, cataloged under National Stock Number 5965-01-502-1390, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dynalec Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-502-1390 |
| Primary Part Number | 61720-400 |
| Item Name | Loudspeaker,electromagnetic |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 3 |
| Usage Design | INDOOR |
| Mounting Method | THREADED HOLE(S) |
| Supplementary Features | TOP 2 CORNERS ARE ROUNDED; INCLUDES LOUDSPEAKER ASSY, CIRCUIT BOARD ASSY, EMI FILTER AND TERMINAL BOARD; ENCLOSURE IS ALUMINUM AND DESIGNED FOR BULKHEAD MOUNTING |
| Frequency Response Range in Hertz | +320.0 TO 5000.0 |
| Style Designator | RECTANGULAR/SQUARE ENCLOSURE |
| Power Rating | 20.00 WATTS PEAK |
| Installation Design | NONPORTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 61720-400 PRIMARY | Dynalec Corporation (USA) |
NSN 5965-01-502-1390 is a Loudspeaker,electromagnetic, manufactured by Dynalec Corporation, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-502-1390 has 1 manufacturer part number on file: 61720-400 (Dynalec Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5950-01-525-2812, 5340-01-621-6212. Verify interchangeability with system specifications before substitution.
Key specifications for 61720-400: Overall Height: 10.880 INCHES NOMINAL IN; Mounting Facility Quantity: 3; Usage Design: INDOOR; Mounting Method: THREADED HOLE(S). 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.