The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-160-6746, 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 Quam Nichols Co. Government technical data includes 18 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5965-00-160-6746 |
| Primary Part Number | 4597 |
| Item Name | Loudspeaker,permanent Magnet |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Quam Nichols Co |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 |
| Terminal Quantity | 2 |
| Usage Design | OUTDOOR |
| Terminal Type | TAB, SOLDER LUG |
| Transducer Type | CONE |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Mounting Facility Circle Radius | 2.375 INCHES NOMINAL IN |
| Angle Between Centerlines of Mounting Holes in Deg | 45.0 |
| Mounting Method | UNTHREADED HOLE(S) |
| Frequency Response Range in Hertz | +250.0 TO 5000.0 |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.188 INCHES NOMINAL IN |
| Transducer Diameter | 5.0 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 45.0 VOICE COIL NOMINAL |
| Test Data Document | 81349-MIL-I-12446 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Power Rating | 2.00 WATTS NORMAL |
| Installation Design | NONPORTABLE |
| Transformer Primary Impedance Rating in Ohms | 20830.0 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 |
|---|---|
| 4597 PRIMARY | Quam Nichols Co (USA) |
| Reference | Meaning |
|---|---|
| SC-C-98136PERMIL-I-12446 | 5/9 Secondary reference U.S. Government activity |
| MIL-I-12446 | 4/1 Identification reference U.S. Government activity |
| DC258 | 5/9 Secondary reference Duke Mfg Co |
| SC-C-98136 | 5/9 Secondary reference U.S. Government activity |
| S4682PART30400 | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
| S-4682-1 | 5/9 Secondary reference U.S. Government activity |
| P5WV | 5/9 Secondary reference International Jensen Inc Jensen Sound Laboratories |
NSN 5965-00-160-6746 is a Loudspeaker,permanent Magnet, manufactured by Quam Nichols Co, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-160-6746 has 1 manufacturer part number on file: 4597 (Quam Nichols Co).
6 possible matches (shared part number, not a government interchangeability claim): 5830-00-222-1663, 5330-00-256-3429, 2520-00-360-4083. Verify interchangeability with system specifications before substitution.
Key specifications for 4597: Mounting Facility Quantity: 4; Terminal Quantity: 2; Usage Design: OUTDOOR; Terminal Type: TAB, SOLDER LUG. 18 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.