The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-070-1561, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-070-1561 |
| Primary Part Number | 2515579-15 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Terminal Diameter | 0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | FIFTH OVERTONE |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 5.1 MINIMUM AND 5.9 MAXIMUM |
| Operating Temp Range | +0.0 TO 60.0 CELSIUS DEGC |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2515579-15 | Raytheon Company (USA) |
| 2515579-15 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2515579-15 | Raytheon Company Dba Raytheon Co (USA) |
| 2515579-15 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 2515579-15 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5955-00-070-1561 is a Crystal Unit,quartz, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-070-1561 has 4 manufacturer part numbers on file: 2515579-15 (Raytheon Company), 2515579-15 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2515579-15 (Raytheon Company Dba Raytheon Co), 2515579-15 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for 2515579-15: Terminal Diameter: 0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM IN; Mode of Oscillation: FIFTH OVERTONE; Body Width: 0.402 INCHES MAXIMUM IN. 13 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 5955-00-070-1561 has DEMIL Code B. 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.