The Reactor, cataloged under National Stock Number 5950-01-277-2977, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Miller Electric Mfg. Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-277-2977 |
| Primary Part Number | 000051 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | PARTIALLY INCLOSED, DOUBLE SHELL |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 4.250 INCHES NOMINAL IN |
| Body Height | 5.322 INCHES NOMINAL IN |
| Body Length | 6.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 2 RIBBON |
| 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 |
|---|---|
| B-000 051-D | Miller Electric Mfg. Llc (USA) |
| 000051 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| B-000 051-D | 5/9 Secondary reference Miller Electric Mfg. Co. |
| 000051 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 5950-01-277-2977 is a Reactor, manufactured by Miller Electric Mfg. Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-277-2977 has 2 manufacturer part numbers on file: B-000 051-D (Miller Electric Mfg. Llc), 000051 (Miller Electric Mfg. Llc).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-472-3587. Verify interchangeability with system specifications before substitution.
Key specifications for 000051: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP. 12 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.