The Headset,acoustical, cataloged under National Stock Number 5965-01-331-9135, 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 Technology for Communications Intl Information Systems Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Headset,acoustical |
| FSC / FSG | 5965 — Headsets, Handsets, Microphones and Speakers (FSG 59) |
| Manufacturers | Technology for Communications Intl Information Systems Div (CAGE 6E696) |
| Parameter | Value |
|---|---|
| NSN | 5965-01-331-9135 |
| Primary Part Number | PH-91 |
| Item Name | Headset,acoustical |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Technology for Communications Intl Information Systems Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| PH-91 PRIMARY | Technology for Communications Intl Information Systems Div (USA) |
NSN 5965-01-331-9135 is a Headset,acoustical, manufactured by Technology for Communications Intl Information Systems Div, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-331-9135 has 1 manufacturer part number on file: PH-91 (Technology for Communications Intl Information Systems Div).
1 possible match (shared part number, not a government interchangeability claim): 5965-01-332-6693. Verify interchangeability with system specifications before substitution.
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.