The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-155-7759, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Filtronetics, Inc. Dba Filtronetics Inc. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5915-01-155-7759 |
| Primary Part Number | FN959 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Filtronetics, Inc. Dba Filtronetics Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) FIRST FUNCTION |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SECOND FUNCTION |
| Unpackaged Unit Weight | 8.500 POUNDS NOMINAL LBS |
| Inclosure Type | ENCASED |
| Power Line Frequency Rating Per Function in Hertz | 400.0 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 400.0 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 400.0 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 400.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 400.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 400.0 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Functional Terminal Type and Quantity | 2 WIRE HOOK GROUND THIRD FUNCTION |
| Functional Terminal Type and Quantity | 6 WIRE HOOK INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 6 WIRE HOOK 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 | 3.270 INCHES NOMINAL IN |
| Body Height | 2.940 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 4TH RADIO INTERFERENCE FIRST FUNCTION |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 5TH RADIO INTERFERENCE SECOND FUNCTION |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 6TH RADIO INTERFERENCE THIRD FUNCTION |
| Unthreaded Mounting Hole Diameter | 0.271 INCHES MINIMUM AND 0.278 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 Length | 9.190 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FN959 | Filtronetics, Inc. Dba Filtronetics Inc (USA) |
| 52-339-005 | Spectrum Control, Inc. (USA) |
| RF07814B | Ems Development Corporation Dba Ems Development Corp (USA) |
| Reference | Meaning |
|---|---|
| RF7814B | 5/9 Secondary reference Ems Development Corporation Dba Ems Development Corp |
| 930463-2B | 3/2 Design control — primary reference U.S. Government activity |
| 52-339-005 | 5/9 Secondary reference Spectrum Control Inc |
NSN 5915-01-155-7759 is a Filter,radio Frequency Interfere, manufactured by Filtronetics, Inc. Dba Filtronetics Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-155-7759 has 3 manufacturer part numbers on file: FN959 (Filtronetics, Inc. Dba Filtronetics Inc), 52-339-005 (Spectrum Control, Inc.), RF07814B (Ems Development Corporation Dba Ems Development Corp).
Key specifications for FN959: Mounting Facility Type and Quantity: 2 THREADED HOLE(S) FIRST FUNCTION; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SECOND FUNCTION; Unpackaged Unit Weight: 8.500 POUNDS NOMINAL LBS; Inclosure Type: ENCASED. 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 5915-01-155-7759 has DEMIL Code Q. 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.