The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-030-7190, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Frequency Electronics Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-030-7190 |
| Primary Part Number | FE20-NO-6 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Frequency Electronics Inc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Impedance Rating Per Channel | 50.000 OHMS OUTPUT CHANNEL |
| Inclosure Type | ENCASED |
| Vibration Resistance Range in Hertz | +20.0 TO 500.0 |
| Frequency Per Channel | 69.3 MEGAHERTZ NOMINAL OUTPUT CHANNEL |
| Signal Voltage Rating Per Channel | 100.000 MILLIVOLTS NOMINAL OUTPUT |
| Connection Type | WIRE LEAD TERMINALS BOTTOM |
| Connection Contact Type and Quantity | 3 WIRE LEAD TERMINALS EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Shock Resistance Rating in Gravitational Units | 50.0 |
| Identification Designator | T547BF3-16681 |
| Average Life Measurement | NOT RATED |
| Environmental Protection | MOISTURE PROOF AND SALT SPRAY RESISTANT |
| Operating Temp Range | +0.0 TO 65.0 CELSIUS DEGC |
| Frequency Adjustment Type | CONTINUOUS |
| Installation Design | MODULE |
| Vibration Resistance Amplitude | 5.0 GRAVITATIONAL UNITS |
| External DC Operating Voltage in Volts | 12.0 NOMINAL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5955-01-030-7190 is a Oscillator,crystal Controlled, manufactured by Frequency Electronics Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-030-7190 has 2 manufacturer part numbers on file: FE20-NO-6 (Frequency Electronics Inc), T-547B-F3 (Greenray Industries, Inc.).
Key specifications for FE20-NO-6: Circuit Construction Type: SOLID STATE; Overall Height: 0.675 INCHES NOMINAL IN; Impedance Rating Per Channel: 50.000 OHMS OUTPUT CHANNEL; Inclosure Type: ENCASED. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5955-01-030-7190 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.