The Headset-Microphone, cataloged under National Stock Number 5965-01-523-2240, 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 Advanced Simulation Technology, Inc. Dba Advanced Simulation Technology Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-523-2240 |
| Primary Part Number | HS-TX-PH-44R |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Advanced Simulation Technology, Inc. Dba Advanced Simulation Technology Inc |
| Status | ACTIVE |
| Identifying Number | PH44R PART NO. |
| Earphone Identifying Number | PH44R PART NO. |
| 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 |
|---|---|
| HS-TX-PH-44R PRIMARY | Advanced Simulation Technology, Inc. Dba Advanced Simulation Technology Inc (USA) |
| HS-TX-PH-44R | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 5965PL1838309 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5965-01-523-2240 is a Headset-Microphone, manufactured by Advanced Simulation Technology, Inc. Dba Advanced Simulation Technology Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-523-2240 has 2 manufacturer part numbers on file: HS-TX-PH-44R (Advanced Simulation Technology, Inc. Dba Advanced Simulation Technology Inc), HS-TX-PH-44R (The Boeing Company Div Services).
Key specifications for HS-TX-PH-44R: Identifying Number: PH44R PART NO.; Earphone Identifying Number: PH44R PART NO.; Earphone Quantity: 2; Special Features: NAME ASSIGNED BY MANUFACTURER PH44R TELEX HEADSET. 3 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.