The Reactor, cataloged under National Stock Number 5950-01-128-9060, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is B.c. Systems Inc. Dba Bc Systems Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-128-9060 |
| Primary Part Number | 322-121 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | B.c. Systems Inc. Dba Bc Systems Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 135.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Body Width | 0.500 INCHES MAXIMUM IN |
| Body Height | 0.415 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.120 INCHES NOMINAL SINGLE GROUP IN |
| Body Length | 0.525 INCHES MAXIMUM IN |
| Winding Operating Current | 2.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.500 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 2 WIRE LEAD |
| 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 |
|---|---|
| C11691 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| PEI 7953 | Precision Electronics, Inc (USA) |
| 42630 | Coast/advanced Chip Magnetics, Inc. (USA) |
| 322-121 PRIMARY | B.c. Systems Inc. Dba Bc Systems Inc (USA) |
| HY3004 | Hytronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| 322-121 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
NSN 5950-01-128-9060 is a Reactor, manufactured by B.c. Systems Inc. Dba Bc Systems Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-128-9060 has 5 manufacturer part numbers on file: C11691 (Electronic Transformer Corp Div Electronic Transformer Corporation), PEI 7953 (Precision Electronics, Inc), 42630 (Coast/advanced Chip Magnetics, Inc.), 322-121 (B.c. Systems Inc. Dba Bc Systems Inc), HY3004 (Hytronics Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 2940-01-134-9804, 5962-01-236-6884, 6515-01-537-7513. Verify interchangeability with system specifications before substitution.
Key specifications for 322-121: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Inductance Rating: 135.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 15 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.