The Reactor, cataloged under National Stock Number 5950-00-660-7933, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-660-7933 |
| Primary Part Number | 1981410 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Turn Quantity | 169 SINGLE COMPONENT ALL WINDING |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 1.40 HENRY MINIMUM SINGLE COMPONENT ALL WINDING |
| Body Width | 2.516 INCHES MINIMUM AND 2.594 INCHES MAXIMUM IN |
| Body Height | 2.937 INCHES MINIMUM AND 3.063 INCHES MAXIMUM IN |
| Winding Conductor Size | 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL WINDING IN |
| Features Provided | TINNED WIRE LEADS |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 105.0 CELSIUS DEGC |
| Body Length | 3.297 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN |
| Winding Operating Current | 150.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL WINDING |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT ALL WINDING |
| DC Resistance Rating in Ohms | 4.950 SINGLE COMPONENT ALL WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 2 SINGLE COMPONENT |
| Frequency Rating | 800.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.578 INCHES MINIMUM AND 1.672 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 4 WIRE LEAD |
| Inductance Type | FIXED |
| 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 |
|---|---|
| 1981410 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1006951 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 436251 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| W-2930 | 5/9 Secondary reference Cen Electronics a Div of Chloride Power Electronics Inc |
| M-3666 | 5/9 Secondary reference Microtran Co Inc |
| W-11273 | 5/9 Secondary reference Unisys Corp Systems Development |
NSN 5950-00-660-7933 is a Reactor, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-660-7933 has 3 manufacturer part numbers on file: 1981410 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1006951 (Lockheed Martin Corporation Div Rms - Mitchel Field), 436251 (Lockheed Martin Corporation Div Rms - Mitchel Field).
2 possible matches (shared part number, not a government interchangeability claim): 5910-01-055-1183, 4730-01-339-3489. Verify interchangeability with system specifications before substitution.
Key specifications for 1981410: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Turn Quantity: 169 SINGLE COMPONENT ALL WINDING. 23 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.