The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-374-1857, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-374-1857 |
| Primary Part Number | 125A423-2 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Unpackaged Unit Weight | 1.500 POUNDS NOMINAL LBS |
| Inclosure Type | ENCASED |
| Body Surface Treatment | TIN |
| 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 |
| Functional Terminal Type and Quantity | 1 WIRE LEAD GROUND THIRD FUNCTION |
| Functional Terminal Type and Quantity | 6 WIRE LEAD OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 7 WIRE LEAD INPUT FIRST 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 |
| Criticality Code Justification | FEAT |
| Features Provided | CABLE ASSEMBLY AND FUNGUS RESISTANT AND SHOCK RESISTANT |
| Body Material | ALUMINUM |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 28.0 VOLTS DC 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Operating Voltage Rating and Type Per Function | 28.0 VOLTS DC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Voltage Rating and Type Per Function | 28.0 VOLTS DC 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE-RESISTANCE 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE-RESISTANCE 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE-RESISTANCE 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE-RESISTANCE 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE-RESISTANCE 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE-RESISTANCE 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 125A423-2 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| NH125A423-1 | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 52-576-002 | 5/1 Secondary reference Spectrum Control Inc |
NSN 5915-01-374-1857 is a Filter,radio Frequency Interfere, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-374-1857 has 1 manufacturer part number on file: 125A423-2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 125A423-2: Unpackaged Unit Weight: 1.500 POUNDS NOMINAL LBS; Inclosure Type: ENCASED; Body Surface Treatment: TIN; Power Line Frequency Rating Per Function in Hertz: 400.0 3RD RADIO INTERFERENCE THIRD FUNCTION. 30 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 5915-01-374-1857 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.