The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-920-0455, 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 Mirion Technologies (canberra), Inc.. Government technical data includes 14 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. 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 | 5965-00-920-0455 |
| Primary Part Number | B30083A |
| Item Name | Loudspeaker,permanent Magnet |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Mirion Technologies (canberra), Inc. |
| Status | ACTIVE |
| Voice Coil Diameter | 0.875 INCHES NOMINAL IN |
| Mounting Facility Quantity | 4 |
| Terminal Quantity | 2 |
| Usage Design | OUTDOOR |
| Terminal Type | TAB, SOLDER LUG |
| Transducer Type | CONE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.781 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Style Designator | SQUARE |
| Mounting Hole Diameter | 0.180 INCHES NOMINAL IN |
| Transducer Diameter | 3.250 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 3.2 VOICE COIL NOMINAL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.781 INCHES NOMINAL IN |
| Installation Design | PORTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5965-00-920-0455 is a Loudspeaker,permanent Magnet, manufactured by Mirion Technologies (canberra), Inc., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-920-0455 has 2 manufacturer part numbers on file: B30083A (Mirion Technologies (canberra), Inc.), 270245 (Quam Nichols Co).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-351-9562, 5340-01-438-8780. Verify interchangeability with system specifications before substitution.
Key specifications for B30083A: Voice Coil Diameter: 0.875 INCHES NOMINAL IN; Mounting Facility Quantity: 4; Terminal Quantity: 2; Usage Design: OUTDOOR. 14 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.