The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-580-2553, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Coil Specialty Company, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-580-2553 |
| Primary Part Number | 6951 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Coil Specialty Company, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | OPEN |
| Body Outside Diameter | 0.450 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 1.68 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Mounting Hole Diameter | 0.110 INCHES MINIMUM SINGLE GROUP IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Body Length | 0.260 INCHES MAXIMUM IN |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 2.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 3 WIRE LEAD |
| 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 |
|---|---|
| 6951 | Coil Specialty Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5904224 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-580-2553 is a Transformer,radio Frequency, manufactured by Coil Specialty Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-580-2553 has 1 manufacturer part number on file: 6951 (Coil Specialty Company, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5915-01-361-6314, 5930-01-426-0078, 6640-01-493-7984. Verify interchangeability with system specifications before substitution.
Key specifications for 6951: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: OPEN; Body Outside Diameter: 0.450 INCHES MAXIMUM IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 13 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.