The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-121-2287, 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 Rms - Mitchel Field. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-121-2287 |
| Primary Part Number | 1603496-2 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Maximum Dielectric Withstanding DC Voltage | 1.2 KILOVOLTS AT SEA LEVEL |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SECOND FUNCTION |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) FIRST FUNCTION |
| Unpackaged Unit Weight | 3.500 POUNDS NOMINAL LBS |
| Inclosure Type | HERMETICALLY SEALED |
| Body Surface Treatment | TIN |
| Power Line Frequency Rating Per Function in Hertz | 400.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 1 THREADED STUD INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 THREADED STUD OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 3.500 INCHES NOMINAL IN |
| Body Height | 2.500 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 500.0 MILLIVOLTS AC BLANK AND 500.0 MILLIVOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Unthreaded Mounting Hole Diameter | 0.187 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Material | METAL |
| Body Length | 3.500 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 250.0 VOLTS AC BLANK AND 600.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.562 INCHES NOMINAL IN |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 55.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Maximum Temp Rise | 25.0 CELSIUS DEGC |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1603496-2 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| FA5012-9K | Ems Development Corporation Dba Ems Development Corp (USA) |
| RF3291-9 | Ems Development Corporation Dba Ems Development Corp (USA) |
| Reference | Meaning |
|---|---|
| 8B188 | 5/9 Secondary reference Sora Power Inc. Dba Sora Power Inc |
| FL0-915 | 5/9 Secondary reference U.S. Government activity |
| FA5012-9K | 5/9 Secondary reference U.S. Government activity |
| RF3291-9 | 5/9 Secondary reference U.S. Government activity |
NSN 5915-01-121-2287 is a Filter,radio Frequency Interfere, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-121-2287 has 3 manufacturer part numbers on file: 1603496-2 (Lockheed Martin Corporation Div Rms - Mitchel Field), FA5012-9K (Ems Development Corporation Dba Ems Development Corp), RF3291-9 (Ems Development Corporation Dba Ems Development Corp).
Key specifications for 1603496-2: Maximum Dielectric Withstanding DC Voltage: 1.2 KILOVOLTS AT SEA LEVEL; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SECOND FUNCTION; Mounting Facility Type and Quantity: 3 THREADED STUD(S) FIRST FUNCTION; Unpackaged Unit Weight: 3.500 POUNDS NOMINAL LBS. 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.
NSN 5915-01-121-2287 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.