The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-080-2849, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Philips Electronics Ltd. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-00-080-2849 |
| Primary Part Number | 666163-049 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Philips Electronics Ltd |
| Status | ACTIVE |
| Controlled Reference Temp | 85.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.001 TO 0.001 AND -0.0015 TO 0.0015 |
| Terminal Diameter | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Terminal Length | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.711 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 5.0 NOMINAL |
| Overall Thickness | 0.312 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN |
| Style Designator | 7 PIN TUBE BASE |
| Drive Level Rating | 0.002 MILLIWATTS MAXIMUM |
| Body Length | 0.725 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 84.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | +84.5 TO 85.5 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 5.000 MEGAHERTZ |
| Body Thickness | 0.303 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 666163-049 | Philips Electronics Ltd (CAN) |
| 666163-049 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 63-049 | 5/1 Secondary reference Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| 666163-049 | 3/9 Design control — primary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
NSN 5955-00-080-2849 is a Crystal Unit,quartz, manufactured by Philips Electronics Ltd, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-080-2849 has 2 manufacturer part numbers on file: 666163-049 (Philips Electronics Ltd), 666163-049 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for 666163-049: Controlled Reference Temp: 85.0 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.001 TO 0.001 AND -0.0015 TO 0.0015; Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Terminal Length: 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN. 18 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 5955-00-080-2849 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.