The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-399-7253, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-399-7253 |
| Primary Part Number | MCM1553 |
| 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 | 126.4721 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN RIGHT SIDE |
| Connection Type | PIN LEFT SIDE |
| Connection Contact Type and Quantity | 20 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Specification/standard Data | 82577-H8000170-001 MANUFACTURERS SPECIFICATION CONTROL |
| Average Life Measurement | NOT RATED |
| Precious Material and Location | TERMINAL SURFACES GOLD |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Test Data Document | 82577-H8000170 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 5.243 MINIMUM SINGLE VOLTAGE AND 5.457 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 |
|---|---|
| MCM1553 | Q-Tech Corp Dba Q-Tech Corp (USA) |
| MC062A1-001 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| H8000170-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-399-7253 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 5955-01-399-7253 has 2 manufacturer part numbers on file: MCM1553 (Q-Tech Corp Dba Q-Tech Corp), MC062A1-001 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for MCM1553: Circuit Construction Type: SOLID STATE; Overall Height: 0.120 INCHES MAXIMUM 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 5955-01-399-7253 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.