The Coil,radio Frequency, cataloged under National Stock Number 5950-00-677-0955, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-677-0955 |
| Primary Part Number | 55C6156-1-9 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.500 INCHES NOMINAL IN |
| Turn Quantity | 975 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | THREADED BUSHING SINGLE GROUP |
| Inductance Rating | 17.40 MILLIHENRIES 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 | 0.00280 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Body Length | 1.688 INCHES NOMINAL IN |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 12.200 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Core Construction | POWDERED SINGLE COMPONENT |
| Thread Quantity Per Inch | 28 SINGLE GROUP |
| Terminal Type and Quantity | 2 COLLAR/RING |
| Thread Series Designator | UNF SINGLE GROUP |
| 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 |
|---|---|
| 55C6156-1-9 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 55C6156-1-9 | 3/2 Design control — primary reference U.S. Government activity |
| 4249 | 5/1 Secondary reference Precision Electronics, Inc |
NSN 5950-00-677-0955 is a Coil,radio Frequency, manufactured by Westinghouse Electric Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-677-0955 has 1 manufacturer part number on file: 55C6156-1-9 (Westinghouse Electric Corp).
2 possible matches (shared part number, not a government interchangeability claim): 2520-00-773-5539, 2530-01-310-7829. Verify interchangeability with system specifications before substitution.
Key specifications for 55C6156-1-9: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.500 INCHES NOMINAL IN; Turn Quantity: 975 SINGLE COMPONENT SINGLE WINDING; Mounting Method: THREADED BUSHING SINGLE GROUP. 18 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.