The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-052-3734, 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 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. 4 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 | 5915-01-052-3734 |
| Primary Part Number | A-1856 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | The Captor Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.375 INCHES NOMINAL IN |
| 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 |
| Functional Terminal Type and Quantity | 2 TAB, SOLDER LUG INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 TAB, SOLDER LUG OUTPUT SECOND 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 |
| Vibration Resistance Range in Hertz | +10.0 TO 500.0 |
| Body Width | 2.000 INCHES NOMINAL IN |
| Body Height | 1.125 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 |
| Unthreaded Mounting Hole Diameter | 0.187 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Material | METAL |
| Body Length | 2.000 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 |
| 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 | 1.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Current Rating Per Function in Amps | 1.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Temp Range | -30.0 TO 85.0 CELSIUS DEGC |
| Maximum Temp Rise | 20.0 CELSIUS DEGC |
| Load Impedance Per Function | 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Load Impedance Per Function | 50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5915-01-052-3734 is a Filter,radio Frequency Interfere, manufactured by The Captor Corporation, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-052-3734 has 2 manufacturer part numbers on file: 325060 (Raytheon Company), A-1856 (The Captor Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 4920-01-287-6102, 8455-01-519-5250, 8455-01-542-3610. Verify interchangeability with system specifications before substitution.
Key specifications for A-1856: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: ENCASED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 2.375 INCHES NOMINAL IN; Power Line Frequency Rating Per Function in Hertz: 400.0 1ST RADIO INTERFERENCE FIRST FUNCTION. 28 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.