The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-350-2407, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Filter Concepts Incorporated Dba Audio Power Industries. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-350-2407 |
| Primary Part Number | SF20 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Filter Concepts Incorporated Dba Audio Power Industries |
| Status | ACTIVE |
| Maximum Dielectric Withstanding DC Voltage | 2.2 KILOVOLTS AT SEA LEVEL |
| Mounting Facility Type and Quantity | 4 SLOT LOCATION NOT OTHERWISE SPECIFIED |
| Unpackaged Unit Weight | 1.800 POUNDS NOMINAL LBS |
| Inclosure Type | ENCAPSULATED |
| Body Surface Treatment | CADMIUM OR NICKEL |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 3.735 INCHES MINIMUM AND 3.765 INCHES MAXIMUM IN |
| Functional Terminal Type and Quantity | 2 THREADED STUD OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 THREADED STUD GROUND THIRD 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 | 3.945 INCHES MAXIMUM IN |
| Maximum Voltage Drop Per Function | 2.5 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Maximum Voltage Drop Per Function | 2.5 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Features Provided | CORROSION RESISTANT |
| Body Material | METAL |
| Body Length | 3.370 INCHES MAXIMUM IN |
| Operating Voltage Rating and Type Per Function | 250.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 250.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM 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 | 20.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Current Rating Per Function in Amps | 20.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Temp Range | -10.0 TO 40.0 CELSIUS DEGC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SF20 | Filter Concepts Incorporated Dba Audio Power Industries (USA) |
| Reference | Meaning |
|---|---|
| 4083-27923-002 | 3/9 Design control — primary reference Hughes Missile Systems Co San Diego |
NSN 5915-01-350-2407 is a Filter,radio Frequency Interfere, manufactured by Filter Concepts Incorporated Dba Audio Power Industries, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-350-2407 has 1 manufacturer part number on file: SF20 (Filter Concepts Incorporated Dba Audio Power Industries).
2 possible matches (shared part number, not a government interchangeability claim): 8030-01-407-8919, 5340-01-457-9892. Verify interchangeability with system specifications before substitution.
Key specifications for SF20: Maximum Dielectric Withstanding DC Voltage: 2.2 KILOVOLTS AT SEA LEVEL; Mounting Facility Type and Quantity: 4 SLOT LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 1.530 INCHES MAXIMUM IN; Unpackaged Unit Weight: 1.800 POUNDS NOMINAL LBS. 26 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 5915-01-350-2407 has DEMIL Code D. 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.