The Reactor, cataloged under National Stock Number 5950-01-140-7481, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-140-7481 |
| Primary Part Number | 3172A1 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | OPEN |
| Overall Diameter | 1.378 INCHES MINIMUM AND 1.418 INCHES MAXIMUM IN |
| Turn Quantity | 19-1/2 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 152.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Winding Conductor Size | 0.05082 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Mounting Hole Diameter | 0.147 INCHES NOMINAL SINGLE GROUP IN |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Winding Operating Current | 6.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.022 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Frequency Rating | 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Test Data Document | 93322-7109257 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Type and Quantity | 2 TURRET |
| Inductance Type | FIXED |
| Hazardous Locations/environmental Protection | MOISTURE RESISTANT AND VIBRATION RESISTANT |
| 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 |
|---|---|
| 3172A1 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 3172A1 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| CLF509 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| 7109257-001 | 3/2 Design control — primary reference U.S. Government activity |
| 10132838 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| CLF509 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-140-7481 is a Reactor, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-140-7481 has 3 manufacturer part numbers on file: 3172A1 (Lockheed Martin Corporation Div Rms - Mitchel Field), 3172A1 (Electronic Transformer Corp Div Electronic Transformer Corporation), CLF509 (Magnetika Inc).
Key specifications for 3172A1: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: OPEN; Overall Diameter: 1.378 INCHES MINIMUM AND 1.418 INCHES MAXIMUM IN; Turn Quantity: 19-1/2 SINGLE COMPONENT SINGLE WINDING. 19 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.