The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-286-5571, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mf Electronics Corp.. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-286-5571 |
| Primary Part Number | M1245-20M |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Mf Electronics Corp. |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Control Type | REMOTE |
| Vibration Resistance Range in Hertz | +10.0 TO 2000.0 |
| Frequency Per Channel | 20.0 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 4 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Shock Resistance Rating in Gravitational Units | 1000.0 |
| Shock Pulse Duration Time | 0.35 MILLISECONDS MS |
| Average Life Measurement | NOT RATED |
| Environmental Protection | MOISTURE PROOF AND SHOCK RESISTANT AND VIBRATION |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Installation Design | MECHANICAL |
| Vibration Resistance Amplitude | 20.0 GRAVITATIONAL UNITS |
| External DC Operating Voltage in Volts | 4.5 MINIMUM SINGLE VOLTAGE AND 5.5 MAXIMUM SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M1245-20M PRIMARY | Mf Electronics Corp. (USA) |
NSN 5955-01-286-5571 is a Oscillator,crystal Controlled, manufactured by Mf Electronics Corp., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-286-5571 has 1 manufacturer part number on file: M1245-20M (Mf Electronics Corp.).
Key specifications for M1245-20M: Circuit Construction Type: SOLID STATE; Overall Height: 0.365 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Control Type: REMOTE. 17 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 5955-01-286-5571 has DEMIL Code D. 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.