The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-180-6730, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-180-6730 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.0005 TO 0.0005 |
| Terminal Diameter | 0.030 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.721 INCHES NOMINAL IN |
| Equivalent Resistance Value in Ohms | 25.0 MINIMUM AND 75.0 MAXIMUM |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 10.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 9.0 MAXIMUM |
| Operating Temp Range | -10.0 TO 60.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 4.999675 MEGAHERTZ |
| Body Thickness | 0.235 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 433545-4.999675MHZ | 3/9 Design control — primary reference International Crystal Manufacturing Company Dba Icm |
| 433545,4.999675MHZ | C/1 Advisory reference — outside the item-of-supply concept International Crystal Manufacturing Company Dba Icm |
NSN 5955-01-180-6730 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-01-180-6730: Frequency Tolerance for Operating Temp in Percent: -0.0005 TO 0.0005; Terminal Diameter: 0.030 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL; Body Width: 0.721 INCHES NOMINAL IN. 14 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 5955-01-180-6730 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.