The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-491-6520, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cornell-Carr Co., Inc.. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-00-491-6520 |
| Primary Part Number | KS6521PC502 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Cornell-Carr Co., Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 3.000 INCHES NOMINAL IN |
| Power Line Frequency Rating Per Function in Hertz | 60.0 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Power Line Frequency Rating Per Function in Hertz | 60.0 3RD RADIO INTERFERENCE THIRD FUNCTION |
| 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 | 4 TAB, SOLDER LUG INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 4 TAB, SOLDER LUG OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 60.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Source Impedance Rating Per Function | 60.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Source Impedance Rating Per Function | 60.0 OHMS 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Source Impedance Rating Per Function | 60.0 OHMS 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Body Width | 2.500 INCHES NOMINAL IN |
| Body Height | 1.250 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.152 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Material | METAL |
| Body Length | 2.750 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 1ST RADIO INTERFERENCE AND 500.0 VOLTS DC 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 2ND RADIO INTERFERENCE AND 500.0 VOLTS DC 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 3RD RADIO INTERFERENCE AND 500.0 VOLTS DC 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Operating Voltage Rating and Type Per Function | 115.0 VOLTS AC 4TH RADIO INTERFERENCE AND 500.0 VOLTS DC 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Operating Current Rating Per Function in Amps | 2.0 3RD RADIO INTERFERENCE THIRD FUNCTION |
| Operating Current Rating Per Function in Amps | 2.0 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Operating Current Rating Per Function in Amps | 2.0 4TH RADIO INTERFERENCE FOURTH FUNCTION |
| Operating Current Rating Per Function in Amps | 2.0 2ND RADIO INTERFERENCE SECOND FUNCTION |
| Load Impedance Per Function | 60.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION |
| Load Impedance Per Function | 60.0 OHMS 2ND RADIO INTERFERENCE SECOND 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 |
|---|---|
| KS6521PC502 PRIMARY | Cornell-Carr Co., Inc. (USA) |
| KS-6028 | Cornell-Carr Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| KS-6028 | 5/9 Secondary reference U.S. Government activity |
| KS6521PC502 | 5/9 Secondary reference U.S. Government activity |
NSN 5915-00-491-6520 is a Filter,radio Frequency Interfere, manufactured by Cornell-Carr Co., Inc., classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-491-6520 has 2 manufacturer part numbers on file: KS6521PC502 (Cornell-Carr Co., Inc.), KS-6028 (Cornell-Carr Co., Inc.).
Key specifications for KS6521PC502: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 3.000 INCHES NOMINAL IN; Power Line Frequency Rating Per Function in Hertz: 60.0 4TH RADIO INTERFERENCE FOURTH FUNCTION. 29 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.