The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-217-4290, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-217-4290 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Distance Between Center Terminal and Outside Terminal Centers | 0.100 INCHES NOMINAL IN |
| Frequency Tolerance for Operating Temp in Percent | -0.0015 TO 0.0015 |
| Terminal Diameter | 0.0185 INCHES NOMINAL IN |
| Second Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Overall Diameter | 0.605 INCHES MAXIMUM IN |
| Terminal Length | 0.281 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 125.0 MAXIMUM |
| Style Designator | HAT TYPE, 5 WIRE LEADS |
| Diameter | 0.515 INCHES MAXIMUM IN |
| Drive Level Rating | 5.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 2.112 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 0N334208 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-217-4290 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-01-217-4290: Distance Between Center Terminal and Outside Terminal Centers: 0.100 INCHES NOMINAL IN; Frequency Tolerance for Operating Temp in Percent: -0.0015 TO 0.0015; Terminal Diameter: 0.0185 INCHES NOMINAL IN; Second Center to Center Distance Between Terminals: 0.200 INCHES NOMINAL IN. 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 5955-01-217-4290 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.