The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-251-4906, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ems Development Corporation. Government technical data includes 29 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-251-4906 |
| Primary Part Number | 258S010-3 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Ems Development Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Power Line Frequency Rating Per Function in Hertz | 60.0 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 60.0 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 60.0 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 60.0 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 60.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 60.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Functional Terminal Type and Quantity | 30 WIRE LEAD INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 30 WIRE LEAD OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Body Width | 3.750 INCHES NOMINAL IN |
| Body Height | 4.280 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.234 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Material | METAL |
| Body Length | 14.680 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 120.0 VOLTS AC 1ST RADIO INTERFERENCE AND 120.0 VOLTS DC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Voltage Rating and Type Per Function | 120.0 VOLTS AC 2ND RADIO INTERFERENCE AND 120.0 VOLTS DC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 120.0 VOLTS AC 3RD RADIO INTERFERENCE AND 120.0 VOLTS DC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Operating Voltage Rating and Type Per Function | 120.0 VOLTS AC 4TH RADIO INTERFERENCE AND 120.0 VOLTS DC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 120.0 VOLTS AC 5TH RADIO INTERFERENCE AND 120.0 VOLTS DC 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 120.0 VOLTS AC 6TH RADIO INTERFERENCE AND 120.0 VOLTS DC 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5915-01-251-4906 is a Filter,radio Frequency Interfere, manufactured by Ems Development Corporation, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-251-4906 has 2 manufacturer part numbers on file: RF12057-3 (Ems Development Corporation Dba Ems Development Corp), 258S010-3 (Ems Development Corporation).
Key specifications for 258S010-3: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED; Power Line Frequency Rating Per Function in Hertz: 60.0 5TH RADIO INTERFERENCE FIFTH FUNCTION; Power Line Frequency Rating Per Function in Hertz: 60.0 4TH RADIO INTERFERENCE FOURTH FUNCTION. 29 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.