The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-165-5356, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Transmission Network International Inc. Government technical data includes 11 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 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 | 5950-01-165-5356 |
| Primary Part Number | T1266-001 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Transmission Network International Inc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | FLANGE SINGLE GROUP |
| Body Width | 0.800 INCHES MAXIMUM IN |
| Body Height | 0.500 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 1200.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Length | 0.800 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 500.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 5 PIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-165-5356 is a Transformer,audio Frequency, manufactured by Transmission Network International Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-165-5356 has 2 manufacturer part numbers on file: T1266-001 (Transmission Network International Inc), T2144 (Nsgdatacom Inc).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-259-8726. Verify interchangeability with system specifications before substitution.
Key specifications for T1266-001: Inclosure Type: FULLY INCLOSED; Mounting Method: FLANGE SINGLE GROUP; Body Width: 0.800 INCHES MAXIMUM IN; Body Height: 0.500 INCHES MAXIMUM IN. 11 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.