The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-177-0468, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-01-177-0468 |
| Primary Part Number | MCM-684 |
| 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 |
| Precious Material | GOLD |
| Frequency Per Channel | 16.0 MEGAHERTZ NOMINAL OUTPUT CHANNEL |
| Connection Type | WIRE LEAD TERMINALS RIGHT SIDE |
| Connection Type | WIRE LEAD TERMINALS LEFT SIDE |
| Connection Contact Type and Quantity | 16 WIRE LEAD TERMINALS EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Maximum Power Drain Rating | 138.0 MILLIWATTS |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Average Life Measurement | NOT RATED |
| Precious Material and Location | INTERNAL SURFACES GOLD |
| 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 |
| Part Number | Manufacturer |
|---|---|
| MCM-684 PRIMARY | Q-Tech Corp Dba Q-Tech Corp (USA) |
| 7111-018 PRIMARY | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| A567A031-103 | 7/2 Vendor item drawing reference U.S. Government activity |
| 7111-018 | 5/9 Secondary reference Spectrum Technology Inc |
NSN 5955-01-177-0468 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 5955-01-177-0468 has 2 manufacturer part numbers on file: MCM-684 (Q-Tech Corp Dba Q-Tech Corp), 7111-018 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for MCM-684: Circuit Construction Type: SOLID STATE; Overall Height: 0.118 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Precious Material: GOLD. 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.
NSN 5955-01-177-0468 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.