The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-102-4078, 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 Dba Ems Development Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-102-4078 |
| Primary Part Number | RF09904 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Ems Development Corporation Dba Ems Development Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED |
| Unpackaged Unit Weight | 3.000 POUNDS NOMINAL LBS |
| Inclosure Type | HERMETICALLY SEALED |
| Power Line Frequency Rating Per Function in Hertz | 400.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 1 THREADED STUD INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 THREADED STUD OUTPUT SECOND FUNCTION |
| Body Outside Diameter | 1.500 INCHES NOMINAL IN |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Nominal Thread Size | 0.750 INCHES IN |
| Body Material | METAL |
| Body Length | 4.500 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 20.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| RF09904 | Ems Development Corporation Dba Ems Development Corp (USA) |
| 20JX4219 | Sprague Electric Co World Hqs (USA) |
| Reference | Meaning |
|---|---|
| SM-A-935693 | 5/9 Secondary reference Ems Development Corporation Dba Ems Development Corp |
| RF9904 | 5/9 Secondary reference Ems Development Corporation Dba Ems Development Corp |
| SM-A-935693 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-01-102-4078 is a Filter,radio Frequency Interfere, manufactured by Ems Development Corporation Dba Ems Development Corp, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-102-4078 has 2 manufacturer part numbers on file: RF09904 (Ems Development Corporation Dba Ems Development Corp), 20JX4219 (Sprague Electric Co World Hqs).
Key specifications for RF09904: Mounting Facility Type and Quantity: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED; Unpackaged Unit Weight: 3.000 POUNDS NOMINAL LBS; Inclosure Type: HERMETICALLY SEALED; Power Line Frequency Rating Per Function in Hertz: 400.0 BLANK LOCATION NOT OTHERWISE SPECIFIED. 16 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.