The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-01-620-0902, 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 Ultralife 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-620-0902 |
| Primary Part Number | MRC-67B-8 |
| Item Name | Loudspeaker,permanent Magnet |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Ultralife Corp. |
| Status | ACTIVE |
| Style Designator | RECTANGULAR/SQUARE ENCLOSURE |
| 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 |
|---|---|
| MRC-67B-8 PRIMARY | Ultralife Corp. (USA) |
| Reference | Meaning |
|---|---|
| 218082977 | 5/2 Secondary reference U.S. Government activity |
| MRC-67B-8 | 3/9 Design control — primary reference Mcdowell Research Co., Inc. |
NSN 5965-01-620-0902 is a Loudspeaker,permanent Magnet, manufactured by Ultralife Corp., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-620-0902 has 1 manufacturer part number on file: MRC-67B-8 (Ultralife Corp.).
Key specifications for MRC-67B-8: Overall Height: 3.75 INCHES NOMINAL IN; Style Designator: RECTANGULAR/SQUARE ENCLOSURE; Overall Length: 4.75 INCHES NOMINAL IN; Overall Width: 4.75 INCHES NOMINAL IN. 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.