The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-108-8523, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Captor Corporation. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-108-8523 |
| Primary Part Number | A2957 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | The Captor Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Unpackaged Unit Weight | 25.000 POUNDS NOMINAL LBS |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 8.750 INCHES NOMINAL IN |
| Power Line Frequency Rating Per Function in Hertz | 60.0 3RD RADIO INTERFERENCE THIRD FUNCTION |
| 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 | 3 THREADED STUD OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 3 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 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Vibration Resistance Range in Hertz | +10.0 TO 500.0 |
| Body Width | 10.000 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 2.2 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Maximum Voltage Drop Per Function | 2.2 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Maximum Voltage Drop Per Function | 2.2 VOLTS AC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Unthreaded Mounting Hole Diameter | 0.189 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Maximum Dielectric Withstanding AC Rms Voltage | 700.0 VOLTS AT SEA LEVEL |
| Body Material | METAL |
| Body Length | 8.000 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 220.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 220.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Voltage Rating and Type Per Function | 220.0 VOLTS AC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 8.000 INCHES NOMINAL IN |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE 3RD RADIO INTERFERENCE THIRD 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 |
|---|---|
| A2957 | The Captor Corporation (USA) |
| Reference | Meaning |
|---|---|
| 317379-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-01-108-8523 is a Filter,radio Frequency Interfere, manufactured by The Captor Corporation, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-108-8523 has 1 manufacturer part number on file: A2957 (The Captor Corporation).
Key specifications for A2957: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 4.500 INCHES NOMINAL IN; Unpackaged Unit Weight: 25.000 POUNDS NOMINAL LBS; Inclosure Type: ENCASED. 27 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.