The Headset-Microphone, cataloged under National Stock Number 5965-01-164-0561, 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 Vermillion Incorporated Div Vermillion Inc. 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-164-0561 |
| Primary Part Number | MK-1564/AIC |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Vermillion Incorporated Div Vermillion Inc |
| Status | ACTIVE |
| Earphone Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MK-1564/AIC | Vermillion Incorporated Div Vermillion Inc (USA) |
| Reference | Meaning |
|---|---|
| D6001601 | 5/9 Secondary reference Us Army Aviation Systems Command |
| 498-119-001-603 | 5/2 Secondary reference U.S. Government activity |
| MK-1564/AIC | 5/2 Secondary reference U.S. Government activity |
| 984-0202 | 5/9 Secondary reference U.S. Government activity |
| MK-1564 | 5/1 Secondary reference U.S. Government activity |
| 984202 | 5/9 Secondary reference U.S. Government activity |
| D6001601 | 3/9 Design control — primary reference Department of the Army Us Army Avionics Research and Development Activity |
| 987-0202 | 5/9 Secondary reference U.S. Government activity |
NSN 5965-01-164-0561 is a Headset-Microphone, manufactured by Vermillion Incorporated Div Vermillion Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-164-0561 has 1 manufacturer part number on file: MK-1564/AIC (Vermillion Incorporated Div Vermillion Inc).
1 possible match (shared part number, not a government interchangeability claim): 1320-01-351-6821. Verify interchangeability with system specifications before substitution.
Key specifications for MK-1564/AIC: Earphone Quantity: 2; Special Features: TEMPEST COMPLIANT;MASK/BOOM MICROPHONE SWITCH;MICROPHONE REQUIRES 10 VOLTS DC FOR OPERATION. 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.
NSN 5965-01-164-0561 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.