The Diaphragm,loudspeaker Driver, cataloged under National Stock Number 5965-00-280-8506, 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 Lucent Technologies Inc Corporate Headquarters. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-00-280-8506 |
| Primary Part Number | ES671769-1 |
| Item Name | Diaphragm,loudspeaker Driver |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Voice Coil Impedance Rating | 8.0 OHMS NOMINAL |
| Overall Diameter | 4.000 INCHES NOMINAL IN |
| Voice Coil | INCLUDED |
| Diameter | 2.050 INCHES NOMINAL IN |
| 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 |
|---|---|
| ES671769-1 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| ES671769-1 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| ES671769-1 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 5965-00-280-8506 is a Diaphragm,loudspeaker Driver, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-280-8506 has 1 manufacturer part number on file: ES671769-1 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for ES671769-1: Voice Coil Impedance Rating: 8.0 OHMS NOMINAL; Overall Diameter: 4.000 INCHES NOMINAL IN; Voice Coil: INCLUDED; Diameter: 2.050 INCHES NOMINAL IN. 4 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.