The Microphone,capacitor, cataloged under National Stock Number 5965-01-021-4163, 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 Sony Electronics Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-021-4163 |
| Primary Part Number | ECM-55B |
| Item Name | Microphone,capacitor |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Sony Electronics Inc |
| Status | ACTIVE |
| Body Style | HAND HELD |
| Mounting Method | CLIP |
| Sound Pickup Directional Type | OMNIDIRECTIONAL |
| Frequency Response Range in Hertz | +30.0 TO 18000.0 |
| Polarity Connection | NOT REQUIRED |
| 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 |
|---|---|
| ECM-55B PRIMARY | Sony Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 5965PL2079881 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| ECM-50 | 5/9 Secondary reference Sony Corporation |
NSN 5965-01-021-4163 is a Microphone,capacitor, manufactured by Sony Electronics Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-021-4163 has 1 manufacturer part number on file: ECM-55B (Sony Electronics Inc).
Key specifications for ECM-55B: Body Style: HAND HELD; Mounting Method: CLIP; Sound Pickup Directional Type: OMNIDIRECTIONAL; Frequency Response Range in Hertz: +30.0 TO 18000.0. 5 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.