The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-371-3151, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Arbiter Systems, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-371-3151 |
| Primary Part Number | TN0001900 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Arbiter Systems, Inc. |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Body Width | 27.9 MILLIMETERS MAXIMUM MM |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Specification/standard Data | 55597-TN00019 MANUFACTURERS SPECIFICATION CONTROL |
| Body Length | 27.9 MILLIMETERS MAXIMUM MM |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 15.75 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 4 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 5950-01-371-3151 is a Transformer,audio Frequency, manufactured by Arbiter Systems, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-371-3151 has 2 manufacturer part numbers on file: TN0001900 (Arbiter Systems, Inc.), SD250-1 (Coilcraft Inc).
Key specifications for TN0001900: Inclosure Type: OPEN; Body Width: 27.9 MILLIMETERS MAXIMUM MM; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Specification/standard Data: 55597-TN00019 MANUFACTURERS SPECIFICATION CONTROL. 8 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.