The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-379-1387, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-379-1387 |
| Primary Part Number | A520A474-121 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Functional Terminal Type and Quantity | 66 FRICTION W/GROUNDING STRAP AND PIN INPUT-OUTPUT LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
| Style Designator | FILTER CONNECTOR |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 1.250 INCHES IN |
| Operating Voltage Rating and Type Per Function | 200.0 VOLTS DC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 200.0 VOLTS DC 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 200.0 VOLTS DC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Operating Voltage Rating and Type Per Function | 200.0 VOLTS DC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Voltage Rating and Type Per Function | 200.0 VOLTS DC 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 200.0 VOLTS DC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Operating Current Rating Per Function in Amps | 5.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Current Rating Per Function in Amps | 5.0 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Operating Current Rating Per Function in Amps | 5.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Current Rating Per Function in Amps | 5.0 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Operating Current Rating Per Function in Amps | 5.0 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Operating Current Rating Per Function in Amps | 5.0 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Load Impedance Per Function | 50.0 OHMS 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Load Impedance Per Function | 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION |
| 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 |
|---|---|
| A520A474-121 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 21-529019-20 | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| A520A474-121 | 5/1 Secondary reference U.S. Government activity |
NSN 5915-01-379-1387 is a Filter,radio Frequency Interfere, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-379-1387 has 2 manufacturer part numbers on file: A520A474-121 (Bae Systems Information and Electronic Systems Integration Inc.), 21-529019-20 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for A520A474-121: Mounting Facility Type and Quantity: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 1.438 INCHES NOMINAL IN; Inclosure Type: ENCASED; Functional Terminal Type and Quantity: 66 FRICTION W/GROUNDING STRAP AND PIN INPUT-OUTPUT LOCATION NOT OTHERWISE SPECIFIED. 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.
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.