The Oscillator,noncrystal Controlled, cataloged under National Stock Number 5955-01-123-8736, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-123-8736 |
| Primary Part Number | C0-238B-2C-20MHZ |
| Item Name | Oscillator,noncrystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Average Life Rating | 168.0 |
| Inclosure Type | HERMETICALLY SEALED |
| Maximum Continuous Operating Time in Hours | 7.0 |
| Vibration Resistance Range in Hertz | -10.0 TO 2000.0 |
| Frequency Per Channel | 20.0 MEGAHERTZ NOMINAL INPUT CHANNEL |
| Connection Type | WIRE LEAD TERMINALS BOTTOM |
| Connection Contact Type and Quantity | 8 WIRE LEAD TERMINALS EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Shock Resistance Rating in Gravitational Units | 100.0 |
| Identification Designator | C0-238B-2C-20MHZ-27802 MHz |
| Shock Pulse Duration Time | 6.0 MICROSECONDS US |
| Average Life Measurement | HOURS |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Frequency Adjustment Type | CONTINUOUS |
| Installation Design | MODULE |
| Vibration Resistance Amplitude | 20.0 GRAVITATIONAL UNITS |
| External DC Operating Voltage in Volts | 5.0 NOMINAL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C0-238B-2C-20MHZ PRIMARY | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| 247ASC2661-002 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| C0-238B-2C-20MHZ | 3/9 Design control — primary reference Vectron International Div. of Dover Electronics Inc |
NSN 5955-01-123-8736 is a Oscillator,noncrystal Controlled, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-123-8736 has 2 manufacturer part numbers on file: C0-238B-2C-20MHZ (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 247ASC2661-002 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for C0-238B-2C-20MHZ: Circuit Construction Type: SOLID STATE; Overall Height: 0.375 INCHES NOMINAL IN; Average Life Rating: 168.0; Inclosure Type: HERMETICALLY SEALED. 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.
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.