The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-138-3321, 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 Electronic Systems. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-138-3321 |
| Primary Part Number | 989C458H07 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Unpackaged Unit Weight | 2.000 POUNDS NOMINAL LBS |
| Inclosure Type | ENCASED |
| Body Surface Treatment | TIN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.625 INCHES NOMINAL IN |
| Power Line Frequency Rating Per Function in Hertz | 400.0 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| 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 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 4 TAB, SOLDER LUG OUTPUT SECOND 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 |
| Body Width | 2.203 INCHES NOMINAL IN |
| Body Height | 3.000 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Maximum Voltage Drop Per Function | 1.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Features Provided | NUT |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Material | METAL |
| Body Length | 2.625 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 3RD RADIO INTERFERENCE THIRD 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 |
|---|---|
| JN33-2143A1 | Sprague Electric Co World Hqs (USA) |
| 989C458H07 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| F21233-7 | 5/9 Secondary reference U.S. Government activity |
NSN 5915-01-138-3321 is a Filter,radio Frequency Interfere, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-138-3321 has 2 manufacturer part numbers on file: JN33-2143A1 (Sprague Electric Co World Hqs), 989C458H07 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 989C458H07: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Unpackaged Unit Weight: 2.000 POUNDS NOMINAL LBS; Inclosure Type: ENCASED; Body Surface Treatment: TIN. 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.