The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-049-8481, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5915-00-049-8481 |
| Primary Part Number | C748039-1REV1 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.750 INCHES NOMINAL IN |
| 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 | 2 THREADED STUD OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 2 THREADED STUD INPUT FIRST FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Body Width | 2.000 INCHES NOMINAL IN |
| Body Height | 1.375 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Maximum Dielectric Withstanding AC Rms Voltage | 500.0 VOLTS AT SEA LEVEL |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Material | METAL |
| Body Length | 2.500 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 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.000 INCHES NOMINAL IN |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Current Rating Per Function in Amps | 1.5 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Current Rating Per Function in Amps | 1.5 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Temp Range | -28.0 TO 85.0 CELSIUS DEGC |
| Load Impedance Per Function | 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FA906 | Ems Development Corporation Dba Ems Development Corp (USA) |
| C748039-1REV1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| FA906 | 5/9 Secondary reference U.S. Government activity |
| C748039-1REV1 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| C748039-1-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5915-00-049-8481 is a Filter,radio Frequency Interfere, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-049-8481 has 2 manufacturer part numbers on file: FA906 (Ems Development Corporation Dba Ems Development Corp), C748039-1REV1 (L3 Technologies, Inc. Div Communication Systems-East).
1 possible match (shared part number, not a government interchangeability claim): 5915-00-764-3119. Verify interchangeability with system specifications before substitution.
Key specifications for C748039-1REV1: Mounting Facility Type and Quantity: 3 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 2.000 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 1.750 INCHES NOMINAL IN. 28 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.