The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-284-6674, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-00-284-6674 |
| Primary Part Number | S1203A |
| Item Name | Loudspeaker,permanent Magnet |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 |
| Terminal Quantity | 2 |
| Usage Design | INDOOR |
| Terminal Type | TAB, SOLDER LUG |
| Transducer Type | CONE |
| Overall Diameter | 18.000 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.209 INCHES NOMINAL IN |
| Transducer Diameter | 12.0 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 8.0 VOICE COIL NOMINAL |
| Power Rating | 15.00 WATTS NORMAL AND 25.00 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 |
NSN 5965-00-284-6674 is a Loudspeaker,permanent Magnet, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-284-6674 has 2 manufacturer part numbers on file: S1203A (Lockheed Martin Corporation Div Rms), 12C16M1 (Quam Nichols Co).
Key specifications for S1203A: Mounting Facility Quantity: 4; Terminal Quantity: 2; Usage Design: INDOOR; Terminal Type: TAB, SOLDER LUG. 13 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.