The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-012-3894, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Piezothermx Corporation. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-012-3894 |
| Primary Part Number | D-669 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Piezothermx Corporation |
| Status | ACTIVE |
| Maximum Dielectric Withstanding DC Voltage | 500.0 VOLTS AT SEA LEVEL |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Unpackaged Unit Weight | 3.000 GRAMS NOMINAL G |
| Inclosure Type | ENCASED |
| Body Surface Treatment | TIN |
| Functional Terminal Type and Quantity | 1 PIN INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 PIN OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Nominal Thread Size | 0.216 INCHES IN |
| Body Material | METAL |
| Body Length | 0.547 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 200.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Current Rating Per Function in Amps | 10.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Average Life Rating in Hours | 2000.0 |
| 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 |
|---|---|
| D-669 | Piezothermx Corporation (USA) |
| 51-719-015 | Spectrum Control, Inc. (USA) |
| D-669 | Centre Capacitor Inc (USA) |
| Reference | Meaning |
|---|---|
| PA60013-1 | 5/2 Secondary reference U.S. Government activity |
| 1201-782 | 5/9 Secondary reference Murata Erie North America Inc Divof Murata Erie |
| 51-719-015 | 5/9 Secondary reference Spectrum Control Inc |
| 930427-1B | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-01-012-3894 is a Filter,radio Frequency Interfere, manufactured by Piezothermx Corporation, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-012-3894 has 3 manufacturer part numbers on file: D-669 (Piezothermx Corporation), 51-719-015 (Spectrum Control, Inc.), D-669 (Centre Capacitor Inc).
1 possible match (shared part number, not a government interchangeability claim): 6610-01-220-9982. Verify interchangeability with system specifications before substitution.
Key specifications for D-669: Maximum Dielectric Withstanding DC Voltage: 500.0 VOLTS AT SEA LEVEL; Mounting Facility Type and Quantity: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED; Width Across Flats: 0.250 INCHES NOMINAL IN; Unpackaged Unit Weight: 3.000 GRAMS NOMINAL G. 20 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.