The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-532-0784, 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 Corp Electronic Systems Defensive System Div. Government technical data includes 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5915-00-532-0784 |
| Primary Part Number | 1M142-1 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.100 INCHES NOMINAL IN |
| 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 TURRET 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 |
| Vibration Resistance Range in Hertz | +10.0 TO 2000.0 |
| Body Width | 2.500 INCHES NOMINAL IN |
| Body Height | 2.000 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 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Maximum Voltage Drop Per Function | 200.0 MILLIVOLTS DC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Maximum Voltage Drop Per Function | 200.0 MILLIVOLTS DC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.112 INCHES IN |
| Body Length | 1.800 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 | 115.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 28.0 VOLTS DC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Input Terminal Manufacturer Code | 81349 |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.600 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1M142-1 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| A-2975 | The Captor Corporation (USA) |
| Reference | Meaning |
|---|---|
| GF55538 | 5/2 Secondary reference U.S. Government activity |
| 128520 | 5/9 Secondary reference The Captor Corporation |
| 5003-4599 | 5/9 Secondary reference Spectrum Control, Inc. Div Api Technologies - Eis/wesson |
NSN 5915-00-532-0784 is a Filter,radio Frequency Interfere, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-532-0784 has 2 manufacturer part numbers on file: 1M142-1 (Northrop Grumman Corp Electronic Systems Defensive System Div), A-2975 (The Captor Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 2520-01-300-3893, 4220-01-616-2016. Verify interchangeability with system specifications before substitution.
Key specifications for 1M142-1: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 2.550 INCHES NOMINAL IN; Inclosure Type: ENCASED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 2.100 INCHES NOMINAL IN. 28 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 5915-00-532-0784 has DEMIL Code B. 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.