The Reactor, cataloged under National Stock Number 5950-00-556-9568, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Freed Transformer Co. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-556-9568 |
| Primary Part Number | 18299 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Freed Transformer Co |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Turn Quantity | 535 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 22.50 MILLIHENRIES MAXIMUM AND 23.00 MILLIHENRIES MAXIMUM AND 23.50 MILLIHENRIES MAXIMUM AND 24.00 MILLIHENRIES MAXIMUM AND 24.50 MILLIHENRIES MAXIMUM AND 25.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Body Width | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN |
| Body Height | 3.990 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN |
| Winding Conductor Size | 0.00445 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL SINGLE GROUP IN |
| Body Length | 4.990 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 6 STANDOFF, SOLDER LUG |
| Inductance Type | FIXED |
| 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 |
|---|---|
| 18299 | Freed Transformer Co (USA) |
| Reference | Meaning |
|---|---|
| 05596 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-556-9568 is a Reactor, manufactured by Freed Transformer Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-556-9568 has 1 manufacturer part number on file: 18299 (Freed Transformer Co).
3 possible matches (shared part number, not a government interchangeability claim): 5935-01-007-2581, 5315-01-230-1563, 5330-01-285-4847. Verify interchangeability with system specifications before substitution.
Key specifications for 18299: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Turn Quantity: 535 SINGLE COMPONENT SINGLE WINDING. 17 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.