The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-509-6291, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnecomp, Inc.. Government technical data includes 9 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-509-6291 |
| Primary Part Number | 20173 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnecomp, Inc. |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.090 INCHES MINIMUM AND 2.150 INCHES MAXIMUM ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN |
| Mounting Method | SLOT SINGLE GROUP |
| Maximum Transformer Power Rating | 100.0 WATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 4 WIRE LEAD |
| Mounting Slot Width | 0.160 INCHES MINIMUM AND 0.220 INCHES MAXIMUM SINGLE GROUP IN |
| 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 |
|---|---|
| 20173 PRIMARY | Magnecomp, Inc. (USA) |
NSN 5950-01-509-6291 is a Transformer,audio Frequency, manufactured by Magnecomp, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-509-6291 has 1 manufacturer part number on file: 20173 (Magnecomp, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5130-01-578-1611, 5320-01-681-1893, 6525-01-698-9101. Verify interchangeability with system specifications before substitution.
Key specifications for 20173: Overall Height: 3.095 INCHES MINIMUM AND 3.155 INCHES MAXIMUM IN; Inclosure Type: OPEN; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.090 INCHES MINIMUM AND 2.150 INCHES MAXIMUM ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN; Mounting Method: SLOT SINGLE GROUP. 9 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.