The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-667-4698, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-00-667-4698 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Distance Between Center Terminal and Outside Terminal Centers | 0.500 INCHES NOMINAL IN |
| Frequency Tolerance for Operating Temp in Percent | -0.001 TO 0.001 |
| Terminal Diameter | 0.156 INCHES NOMINAL IN |
| Terminal Length | 0.641 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Length | 2.125 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.812 INCHES NOMINAL IN |
| Operating Temp Range | +20.0 TO 95.0 CELSIUS DEGC |
| Specified Frequency | 80.860 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 |
|---|---|
| C742519-1 | 3/9 Design control — primary reference Rca Corp Distributor and Special Products Div |
| C742519-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5955-00-667-4698 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-00-667-4698: Distance Between Center Terminal and Outside Terminal Centers: 0.500 INCHES NOMINAL IN; Frequency Tolerance for Operating Temp in Percent: -0.001 TO 0.001; Terminal Diameter: 0.156 INCHES NOMINAL IN; Terminal Length: 0.641 INCHES NOMINAL IN. 9 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.