The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-396-8572, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Measurement Specialties Inc. Government technical data includes 7 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 | 5950-01-396-8572 |
| Primary Part Number | GCA-121-500 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Measurement Specialties Inc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 900.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 1150.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE |
| 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 |
|---|---|
| GCA-121-500 PRIMARY | Measurement Specialties Inc (USA) |
NSN 5950-01-396-8572 is a Transformer,audio Frequency, manufactured by Measurement Specialties Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-396-8572 has 1 manufacturer part number on file: GCA-121-500 (Measurement Specialties Inc).
Key specifications for GCA-121-500: Inclosure Type: FULLY INCLOSED; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Impedance Rating in Ohms: 900.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Impedance Rating in Ohms: 1150.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 7 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.