The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-235-6230, 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 Sippican, Inc. Div Communication Division. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-235-6230 |
| Primary Part Number | 1577P-3 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Communication Division |
| Status | ACTIVE |
| Maximum Dielectric Withstanding DC Voltage | 500.0 VOLTS AT SEA LEVEL |
| 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 | 2.188 INCHES NOMINAL IN |
| Power Line Frequency Rating Per Function in Hertz | 60.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 60.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 TAB, SOLDER LUG INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 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 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Vibration Resistance Range in Hertz | +10.0 TO 500.0 |
| Body Width | 2.560 INCHES NOMINAL IN |
| Body Height | 1.330 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 1.26 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Maximum Voltage Drop Per Function | 1.26 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) |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Material | METAL |
| Body Length | 2.560 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 126.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Voltage Rating and Type Per Function | 126.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 2.188 INCHES NOMINAL IN |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Current Rating Per Function in Amps | 2.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Current Rating Per Function in Amps | 2.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| 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 |
|---|---|
| 1577P-3 PRIMARY | Lockheed Martin Sippican, Inc. Div Communication Division (USA) |
| Reference | Meaning |
|---|---|
| EMIF0606-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5915-01-235-6230 is a Filter,radio Frequency Interfere, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-235-6230 has 1 manufacturer part number on file: 1577P-3 (Lockheed Martin Sippican, Inc. Div Communication Division).
Key specifications for 1577P-3: Maximum Dielectric Withstanding DC Voltage: 500.0 VOLTS AT SEA LEVEL; 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: 2.188 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.
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.