The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-320-9390, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-320-9390 |
| Primary Part Number | 5189207 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.002 TO 0.002 AND -0.003 TO 0.003 |
| Terminal Diameter | 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.725 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 37.0 MAXIMUM |
| Overall Thickness | 0.352 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 8.0 MILLIWATTS MINIMUM AND 12.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -40.0 TO 90.0 CELSIUS AND -55.0 TO 105.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 4.194304 MEGAHERTZ |
| Body Thickness | 0.317 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5189207 PRIMARY | Naval Sea Systems Command (USA) |
| 5189207 | Cts Valpey Corporation (USA) |
| 5189207 | Bliley Technologies Inc (USA) |
| 5189207 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 5189207 | 5/9 Secondary reference Quartztek Inc |
| 5189207 | 5/9 Secondary reference United States Crystal Corp |
| 5189207 | 5/9 Secondary reference Leigh Instruments Ltd Frequency Control Div C R Snelgrove Co C R Snelgrove Co |
| 5189207 | 5/9 Secondary reference Electronic Research Company |
| 5189207 | 5/9 Secondary reference Inficon Edc Inc. |
NSN 5955-01-320-9390 is a Crystal Unit,quartz, manufactured by Naval Sea Systems Command, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-320-9390 has 4 manufacturer part numbers on file: 5189207 (Naval Sea Systems Command), 5189207 (Cts Valpey Corporation), 5189207 (Bliley Technologies Inc), 5189207 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for 5189207: Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002 AND -0.003 TO 0.003; Terminal Diameter: 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM IN; Mode of Oscillation: FUNDAMENTAL. 16 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.