The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-078-6478, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5915-01-078-6478 |
| Primary Part Number | 905540-4 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Body Height | 1.950 INCHES MAXIMUM IN |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.086 INCHES IN |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC SINGLE RADIO INTERFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 905540-4 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| GF-55496-4 | 5/9 Secondary reference Genisco Filter Corp |
| GF-55496-4 | 3/9 Design control — primary reference Spectrum Control, Inc. Div Api Technologies - Eis/wesson |
NSN 5915-01-078-6478 is a Filter,radio Frequency Interfere, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-078-6478 has 1 manufacturer part number on file: 905540-4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 905540-4: Mounting Facility Type and Quantity: 2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED; Body Height: 1.950 INCHES MAXIMUM IN; Mounting Facility Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 6 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.