The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-01-177-3931, 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 Marine Electric Systems Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5965-01-177-3931 |
| Primary Part Number | E-27570-T10 |
| Item Name | Loudspeaker,permanent Magnet |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Marine Electric Systems Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 |
| Terminal Quantity | 8 |
| Usage Design | OUTDOOR |
| Terminal Type | TAB, SOLDER LUG |
| Transducer Type | DIAPHRAGM |
| Mounting Method | UNTHREADED HOLE(S) |
| Impedance Rating in Ohms | 8.0 VOICE COIL MINIMUM AND 18.0 VOICE COIL MAXIMUM |
| Power Rating | 15.00 WATTS NORMAL |
| Installation Design | NONPORTABLE |
| Transformer Primary Impedance Rating in Ohms | 325.0 NOMINAL |
| 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 |
|---|---|
| E-27570-T10 PRIMARY | Marine Electric Systems Inc (USA) |
| HS-130 | HS Associates Corp (USA) |
| Reference | Meaning |
|---|---|
| E-27570-T10-6-1/2IN | 5/9 Secondary reference Marine Electric Systems Inc |
NSN 5965-01-177-3931 is a Loudspeaker,permanent Magnet, manufactured by Marine Electric Systems Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-177-3931 has 2 manufacturer part numbers on file: E-27570-T10 (Marine Electric Systems Inc), HS-130 (HS Associates Corp).
Key specifications for E-27570-T10: Mounting Facility Quantity: 2; Terminal Quantity: 8; Usage Design: OUTDOOR; Terminal Type: TAB, SOLDER LUG. 10 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.