The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-142-7281, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Pico Electronics Inc. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-142-7281 |
| Primary Part Number | S-21605 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Pico Electronics Inc |
| Status | ACTIVE |
| Transformer Function | INPUT AND OUTPUT |
| Inclosure Type | HERMETICALLY SEALED |
| Precious Material | GOLD |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Mounting Method | PLUG-IN SINGLE GROUP |
| Maximum Transformer Power Rating | 1.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 100.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 100000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Maximum Operating Temp | 105.0 CELSIUS DEGC |
| Body Length | 0.520 INCHES MAXIMUM IN |
| Winding Operating Current | 300.0 MICROAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Precious Material and Location | TERMINAL SURFACES GOLD |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 6 WIRE LEAD |
| Special Handling Feature | PILFERABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-142-7281 is a Transformer,audio Frequency, manufactured by Pico Electronics Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-142-7281 has 2 manufacturer part numbers on file: S-21605 (Pico Electronics Inc), GT825LR1 (Northrop Grumman Systems Corporation).
Key specifications for S-21605: Transformer Function: INPUT AND OUTPUT; Inclosure Type: HERMETICALLY SEALED; Precious Material: GOLD; Body Outside Diameter: 0.750 INCHES NOMINAL IN. 17 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.