The Diaphragm,loudspeaker Driver, cataloged under National Stock Number 5965-00-665-0535, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5965-00-665-0535 |
| Primary Part Number | K857459SUB13GP501 |
| Item Name | Diaphragm,loudspeaker Driver |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Voice Coil Impedance Rating | 15.0 OHMS NOMINAL |
| Overall Diameter | 4.250 INCHES NOMINAL IN |
| Voice Coil | INCLUDED |
| Diameter | 2.875 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| K857459SUB13GP501 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| M141832-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| K857459SUB13GP501 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5965-00-665-0535 is a Diaphragm,loudspeaker Driver, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-665-0535 has 1 manufacturer part number on file: K857459SUB13GP501 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for K857459SUB13GP501: Voice Coil Impedance Rating: 15.0 OHMS NOMINAL; Overall Diameter: 4.250 INCHES NOMINAL IN; Voice Coil: INCLUDED; Diameter: 2.875 INCHES NOMINAL IN. 5 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.