The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-388-5537, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Q-Tech Corp Dba Q-Tech Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-01-388-5537 |
| Primary Part Number | MCM-718 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Q-Tech Corp Dba Q-Tech Corp |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Control Type | REMOTE |
| Precious Material | GOLD |
| Frequency Per Channel | 21.02 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN RIGHT SIDE |
| Connection Type | PIN LEFT SIDE |
| Connection Contact Type and Quantity | 16 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Average Life Measurement | NOT RATED |
| Precious Material and Location | CASE SURFACE GOLD |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 4.5 MINIMUM SINGLE VOLTAGE AND 5.5 MAXIMUM 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 |
|---|---|
| MCM-718 PRIMARY | Q-Tech Corp Dba Q-Tech Corp (USA) |
| MC095-005 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| A567A031-104 | 7/2 Vendor item drawing reference Bae Systems Information and Electronic Systems Integration Inc. |
| 7111-034 | 5/9 Secondary reference Spectrum Technology Inc |
NSN 5955-01-388-5537 is a Oscillator,crystal Controlled, manufactured by Q-Tech Corp Dba Q-Tech Corp, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-388-5537 has 2 manufacturer part numbers on file: MCM-718 (Q-Tech Corp Dba Q-Tech Corp), MC095-005 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for MCM-718: Circuit Construction Type: SOLID STATE; Overall Height: 0.118 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Control Type: REMOTE. 15 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.