The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-111-0507, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-00-111-0507 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| FSC Application Data | PIEZOELECTRIC CRYSTALS |
| Overall Diameter | 0.750 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Mode of Oscillation | FUNDAMENTAL |
| Supplementary Features | TYPE QQ1655C 200/A/30 CUT TO 333.33 KHZ KHz |
| Style Designator | 7 PIN TUBE BASE |
| Body Length | 1.875 INCHES MAXIMUM IN |
| Precious Material and Location | ELECTRODES GOLD |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 220.000 KILOHERTZ AND 499.990 KILOHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 28311-165 | 3/9 Design control — primary reference Viavi Solutionsllc |
| 28311-165 | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
NSN 5955-00-111-0507 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-00-111-0507: FSC Application Data: PIEZOELECTRIC CRYSTALS; Overall Diameter: 0.750 INCHES MAXIMUM IN; Precious Material: GOLD; Mode of Oscillation: FUNDAMENTAL. 11 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.