The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-142-0386, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-142-0386 |
| Primary Part Number | 978501-4 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SECOND FUNCTION |
| Mounting Facility Type and Quantity | 10 THREADED HOLE(S) FIRST FUNCTION |
| Unpackaged Unit Weight | 53.000 POUNDS NOMINAL LBS |
| Inclosure Type | HERMETICALLY SEALED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 11.250 INCHES NOMINAL IN |
| Power Line Frequency Rating Per Function in Hertz | 420.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 420.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 420.0 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 420.0 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Functional Terminal Type and Quantity | 4 THREADED STUD OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 4 TAB, SOLDER LUG INPUT FIRST 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 |
| Body Width | 8.000 INCHES NOMINAL IN |
| Body Height | 8.000 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 1.15 VOLTS AC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Maximum Voltage Drop Per Function | 1.15 VOLTS AC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Maximum Voltage Drop Per Function | 1.15 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Maximum Voltage Drop Per Function | 1.15 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Unthreaded Mounting Hole Diameter | 0.253 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNF |
| Nominal Thread Size | 0.190 INCHES IN |
| Body Material | METAL |
| Body Length | 12.000 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 978501-4 | Raytheon Company (USA) |
| 978501-4 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| RF08917-4B | Ems Development Corporation Dba Ems Development Corp (USA) |
| A-4048 | The Captor Corporation (USA) |
| Reference | Meaning |
|---|---|
| VTS | 5/9 Secondary reference Ems Development Corporation Dba Ems Development Corp |
| RF8917-4B | 5/9 Secondary reference Ems Development Corporation Dba Ems Development Corp |
| 978501-4 | 5/9 Secondary reference Raytheon Company Div Corp |
| FC2691-4 | 5/9 Secondary reference Fil-Coil International Llc |
| F-17151 | 5/9 Secondary reference Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu |
NSN 5915-01-142-0386 is a Filter,radio Frequency Interfere, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-142-0386 has 4 manufacturer part numbers on file: 978501-4 (Raytheon Company), 978501-4 (Raytheon Company Dba Raytheon Co), RF08917-4B (Ems Development Corporation Dba Ems Development Corp), A-4048 (The Captor Corporation).
Key specifications for 978501-4: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SECOND FUNCTION; Mounting Facility Type and Quantity: 10 THREADED HOLE(S) FIRST FUNCTION; Overall Height: 11.000 INCHES NOMINAL IN; Unpackaged Unit Weight: 53.000 POUNDS NOMINAL LBS. 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.
NSN 5915-01-142-0386 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.