The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-155-9980, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-155-9980 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Vibration Resistance Range in Hertz | +16.0 TO 25.0 |
| Frequency Per Channel | 1.2288 MEGAHERTZ NOMINAL OUTPUT CHANNEL |
| Signal Voltage Rating Per Channel | 0.400 VOLTS MINIMUM OUTPUT AND 2.400 VOLTS MAXIMUM OUTPUT |
| Connection Type | PRINTED CIRCUIT BOTTOM |
| Connection Contact Type and Quantity | 14 PRINTED CIRCUIT EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Identification Designator | CO-234A-2S-1 AT 1.2288MHZ-27802 MHz |
| Average Life Measurement | NOT RATED |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 5.0 NOMINAL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 234A-2S-1 1.2288 | C/1 Advisory reference — outside the item-of-supply concept Vectron International Div. of Dover Electronics Inc |
| 8558723-4 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| CO-234A-2S-1 AT 1.2288MHZ | C/1 Advisory reference — outside the item-of-supply concept Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| CO-234A-2S-1 AT 1.2288MHZ | 5/9 Secondary reference Vectron International Div. of Dover Electronics Inc |
NSN 5955-01-155-9980 is a Oscillator,crystal Controlled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-01-155-9980: Circuit Construction Type: SOLID STATE; Overall Height: 0.280 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Vibration Resistance Range in Hertz: +16.0 TO 25.0. 14 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 5955-01-155-9980 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.