The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-246-9642, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-246-9642 |
| Primary Part Number | B4012238 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Department of the Army Hq United States Army Communications Research and Development Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Body Surface Treatment | TIN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 5.125 INCHES NOMINAL IN |
| Functional Terminal Type and Quantity | 6 THREADED STUD OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 3 CONNECTOR, RECEPTACLE 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 |
| Vibration Resistance Range in Hertz | +10.0 TO 2000.0 |
| Body Width | 4.810 INCHES NOMINAL IN |
| Body Height | 2.120 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 0.28 VOLTS DC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Maximum Voltage Drop Per Function | 0.28 VOLTS DC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Maximum Voltage Drop Per Function | 0.28 VOLTS DC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Maximum Voltage Drop Per Function | 0.28 VOLTS DC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Maximum Voltage Drop Per Function | 0.28 VOLTS DC 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Maximum Voltage Drop Per Function | 0.28 VOLTS DC 6TH RADIO INTERFERENCE SIXTH FUNCTION |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Features Provided | SHOCK RESISTANT |
| Nominal Thread Size | 0.164 INCHES IN |
| Body Material | METAL |
| Body Length | 5.680 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 28.0 VOLTS DC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Operating Voltage Rating and Type Per Function | 28.0 VOLTS DC 5TH RADIO INTERFERENCE FIFTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 28.0 VOLTS DC 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 |
|---|---|
| L517000093 | Lockheed Martin Librascope Corporation (USA) |
| B4012238 PRIMARY | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| NF21156 | Te Connectivity Corporation Div Corcom (USA) |
| A-4571 | The Captor Corporation (USA) |
NSN 5915-01-246-9642 is a Filter,radio Frequency Interfere, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-246-9642 has 4 manufacturer part numbers on file: L517000093 (Lockheed Martin Librascope Corporation), B4012238 (Department of the Army Hq United States Army Communications Research and Development Command), NF21156 (Te Connectivity Corporation Div Corcom), A-4571 (The Captor Corporation).
Key specifications for B4012238: Mounting Facility Type and Quantity: 8 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: ENCASED; Body Surface Treatment: TIN; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 5.125 INCHES NOMINAL IN. 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.
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.