The Loudspeaker,electromagnetic, cataloged under National Stock Number 5965-01-570-4711, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-570-4711 |
| Primary Part Number | 4G10557 TBL 1 REF NO LS1 |
| Item Name | Loudspeaker,electromagnetic |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Supplementary Features | 77MM, SQUARE FRAME, 1.0W, MYLAR CONE W |
| 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 |
|---|---|
| 4G10557 TBL 1 REF NO LS1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| GA0776M | 3/9 Design control — primary reference Cui, Inc. |
NSN 5965-01-570-4711 is a Loudspeaker,electromagnetic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-570-4711 has 1 manufacturer part number on file: 4G10557 TBL 1 REF NO LS1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 4G10557 TBL 1 REF NO LS1: Supplementary Features: 77MM, SQUARE FRAME, 1.0W, MYLAR CONE W; Special Features: DIAMETER 77MM/3 INCHES; DEPTH 26MM; IMPEDANCE 8 OHMS; S.P. LEVEL 90DB/W PORM 3DB; RESONANCE FREQUENCY 320 HZ; FREQUENCY RANGE FO-25K; NOMINAL INPUT 1.0W; HANDLING CAPACITY (MAX INPUT) 2.0W W; End Item Identification: DRAWER NO. 5 ASSY, 4G10510G01. 1 specification is 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.