The Coil,radio Frequency, cataloged under National Stock Number 5950-00-994-3308, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Albert Frei & Sons, Inc. Dba Afs. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-994-3308 |
| Primary Part Number | 18-577 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Albert Frei & Sons, Inc. Dba Afs |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Quality Factor | 45 MINIMUM SINGLE COMPONENT SINGLE WINDING |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Turn Quantity | 35.25 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 6.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Conductor Size | 0.00249 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Maximum Operating Temp | 85.0 CELSIUS DEGC |
| Body Length | 0.625 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Core Construction | POWDERED SINGLE COMPONENT |
| Terminal Type and Quantity | 2 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 |
|---|---|
| 18-577 | Albert Frei & Sons, Inc. Dba Afs (USA) |
| 278-1789-00 | Gowanda Holdings, Llc Div Gowanda Electronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| 278-1789-00 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 278-1789-00 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-00-994-3308 is a Coil,radio Frequency, manufactured by Albert Frei & Sons, Inc. Dba Afs, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-994-3308 has 2 manufacturer part numbers on file: 18-577 (Albert Frei & Sons, Inc. Dba Afs), 278-1789-00 (Gowanda Holdings, Llc Div Gowanda Electronics Corp.).
4 possible matches (shared part number, not a government interchangeability claim): 3930-01-115-0963, 7320-01-164-3696, 4130-01-459-3833. Verify interchangeability with system specifications before substitution.
Key specifications for 18-577: Inclosure Type: OPEN; Quality Factor: 45 MINIMUM SINGLE COMPONENT SINGLE WINDING; Overall Diameter: 0.250 INCHES NOMINAL IN; Turn Quantity: 35.25 SINGLE COMPONENT SINGLE WINDING. 16 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.