The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-944-4384, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mtk Electronics Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5915-00-944-4384 |
| Primary Part Number | M1428 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Mtk Electronics Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Power Line Frequency Rating Per Function in Hertz | 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 1 TAB, SOLDER LUG INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION |
| Body Outside Diameter | 1.000 INCHES NOMINAL IN |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNF |
| Nominal Thread Size | 0.438 INCHES IN |
| Body Material | METAL |
| Body Length | 2.250 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 150.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 0.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| 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 A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M1428 | Mtk Electronics Inc (USA) |
| RF01811 | Ems Development Corporation Dba Ems Development Corp (USA) |
| E-1749 | Lindgren Rf Enclosures Inc Elmag Div (USA) |
| Reference | Meaning |
|---|---|
| FA10339 | 5/9 Secondary reference U.S. Government activity |
| SM-D-537419-6 | 3/2 Design control — primary reference U.S. Government activity |
| RF1811 | 5/9 Secondary reference Ems Development Corporation Dba Ems Development Corp |
| FC1971 | 5/9 Secondary reference Fil-Coil International Llc |
NSN 5915-00-944-4384 is a Filter,radio Frequency Interfere, manufactured by Mtk Electronics Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-944-4384 has 3 manufacturer part numbers on file: M1428 (Mtk Electronics Inc), RF01811 (Ems Development Corporation Dba Ems Development Corp), E-1749 (Lindgren Rf Enclosures Inc Elmag Div).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-326-6974, 6135-01-708-2649. Verify interchangeability with system specifications before substitution.
Key specifications for M1428: Mounting Facility Type and Quantity: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED; Power Line Frequency Rating Per Function in Hertz: 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED; Functional Terminal Type and Quantity: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION. 16 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.