The Reactor, cataloged under National Stock Number 5950-01-121-7618, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-121-7618 |
| Primary Part Number | 678-0329-010 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 50.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Body Width | 0.800 INCHES MAXIMUM IN |
| Body Height | 0.900 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.141 INCHES NOMINAL SINGLE GROUP IN |
| Distance Between Mounting Facility Centers | 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Maximum Operating Temp | 65.0 CELSIUS DEGC |
| Body Length | 1.200 INCHES MAXIMUM IN |
| Winding Operating Current | 15.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.015 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 2 TAB, 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 |
|---|---|
| PEI 8747 | Precision Electronics, Inc (USA) |
| 44576-10 | Coast/advanced Chip Magnetics, Inc. (USA) |
| 678-0329-010 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| K7267 | Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA) |
| APS-356 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| 3-20028 | 5/9 Secondary reference Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. |
| APS-356 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-121-7618 is a Reactor, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-121-7618 has 5 manufacturer part numbers on file: PEI 8747 (Precision Electronics, Inc), 44576-10 (Coast/advanced Chip Magnetics, Inc.), 678-0329-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), K7267 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), APS-356 (Magnetika Inc).
5 possible matches (shared part number, not a government interchangeability claim): 4320-01-206-4743, 5905-01-294-3628, 5340-01-561-1495. Verify interchangeability with system specifications before substitution.
Key specifications for 678-0329-010: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP; Inductance Rating: 50.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 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.