The Headset-Microphone, cataloged under National Stock Number 5965-01-533-1374, 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 David Clark Co Inc Div David Clark Company, Inc.. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-533-1374 |
| Primary Part Number | H9540 |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | David Clark Co Inc Div David Clark Company, Inc. |
| Status | ACTIVE |
| Mounting Method | SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE |
| Earphone Quantity | 2 |
| 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 |
|---|---|
| H9540 PRIMARY | David Clark Co Inc Div David Clark Company, Inc. (USA) |
NSN 5965-01-533-1374 is a Headset-Microphone, manufactured by David Clark Co Inc Div David Clark Company, Inc., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-533-1374 has 1 manufacturer part number on file: H9540 (David Clark Co Inc Div David Clark Company, Inc.).
Key specifications for H9540: Mounting Method: SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE; Earphone Quantity: 2; Special Features: CORROSION RESISTANT STAINLESS STEEL HARDWARE; WATER RESISTANT; M87 NOISE CANCELING MICROPHONE; ACCOMMODATES UP TO EIGHT CREWMEMBERS ON INTERCOM; LOW TENSION HEADBAND; QUICK DISCONNECT-TYPE CONNECTOR. 2 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.