The Reactor, cataloged under National Stock Number 5950-00-280-4238, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Roper Industries Inc Roper Pump Co Div. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-280-4238 |
| Primary Part Number | 452B2045 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Roper Industries Inc Roper Pump Co Div |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 10.00 HENRY MAXIMUM SINGLE COMPONENT ALL WINDING |
| Body Width | 3.125 INCHES NOMINAL IN |
| Body Height | 5.500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Body Length | 3.375 INCHES NOMINAL IN |
| Winding Operating Current | 70.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT ALL WINDING |
| DC Resistance Rating in Ohms | 125.000 SINGLE COMPONENT ALL WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 2 SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 20 SINGLE GROUP |
| Terminal Type and Quantity | 4 STANDOFF, SOLDER LUG |
| 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 |
|---|---|
| 452B2045 PRIMARY | Roper Industries Inc Roper Pump Co Div (USA) |
| 253201 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| Reference | Meaning |
|---|---|
| 873005 | 5/9 Secondary reference Electronic Transformer Corp Div Electronic Transformer Corporation |
| 85449 | 5/9 Secondary reference Agilent Technologies Inc. Div Power Products Site |
| 828EL52 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-280-4238 is a Reactor, manufactured by Roper Industries Inc Roper Pump Co Div, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-280-4238 has 2 manufacturer part numbers on file: 452B2045 (Roper Industries Inc Roper Pump Co Div), 253201 (Electronic Transformer Corp Div Electronic Transformer Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4330-01-326-8037, 5895-01-339-2989. Verify interchangeability with system specifications before substitution.
Key specifications for 452B2045: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 19 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.