The Coil,radio Frequency, cataloged under National Stock Number 5950-00-972-8438, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Autodyne Manufacturing Co Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-972-8438 |
| Primary Part Number | 630-300 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Autodyne Manufacturing Co Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | OPEN |
| Quality Factor | 140 MINIMUM SINGLE COMPONENT SINGLE WINDING |
| Overall Diameter | 0.281 INCHES NOMINAL IN |
| Body Outside Diameter | 0.281 INCHES NOMINAL IN |
| Turn Quantity | 12-1/2 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 0.93 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 | 0.02535 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Winding Operating Current | 200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.030 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Core Construction | POWDERED SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 2 PIN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 630-300 | Autodyne Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 630-300 | 3/9 Design control — primary reference Johnson E F Co Comco/communications Co Div |
NSN 5950-00-972-8438 is a Coil,radio Frequency, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-972-8438 has 1 manufacturer part number on file: 630-300 (Autodyne Manufacturing Co Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4440-01-493-1958, 6625-01-659-7130, 7010-01-681-5257. Verify interchangeability with system specifications before substitution.
Key specifications for 630-300: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: OPEN; Quality Factor: 140 MINIMUM SINGLE COMPONENT SINGLE WINDING; Overall Diameter: 0.281 INCHES NOMINAL IN. 22 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.