The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-00-166-0401, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-00-166-0401 |
| Primary Part Number | FE20-0PC1 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Frequency Electronics Inc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| FSC Application Data | TEST CENTRAL AIRBORNE WEAPON SYSTEM,AUTOMATIC |
| Inclosure Type | ENCASED |
| Frequency Per Channel | 50.0 MEGAHERTZ NOMINAL OUTPUT CHANNEL |
| Connection Type | POWER RECEPTACLE BOTTOM |
| Connection Contact Type and Quantity | 8 RECEPTACLE, POWER EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Maximum Operating Altitude Rating | 10000.0 FEET FT |
| Operating Temp Range | +0.0 TO 71.0 CELSIUS DEGC |
| Frequency Adjustment Type | CONTINUOUS |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 28.0 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 |
| Part Number | Manufacturer |
|---|---|
| FE20-0PC1 PRIMARY | Frequency Electronics Inc (USA) |
| 247ASC0150-001 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| C0-224-50MHZ | C/1 Advisory reference — outside the item-of-supply concept Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| C0-224-50MHZ | 5/9 Secondary reference Vectron International Div. of Dover Electronics Inc |
NSN 5955-00-166-0401 is a Oscillator,crystal Controlled, manufactured by Frequency Electronics Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-166-0401 has 2 manufacturer part numbers on file: FE20-0PC1 (Frequency Electronics Inc), 247ASC0150-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for FE20-0PC1: Circuit Construction Type: SOLID STATE; FSC Application Data: TEST CENTRAL AIRBORNE WEAPON SYSTEM,AUTOMATIC; Inclosure Type: ENCASED; Frequency Per Channel: 50.0 MEGAHERTZ NOMINAL OUTPUT CHANNEL. 12 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 5955-00-166-0401 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.