The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-256-4514, 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11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-256-4514 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Controlled Reference Temp | 70.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 AND -0.0010 TO 0.0010 |
| Terminal Diameter | 0.094 INCHES NOMINAL IN |
| Terminal Length | 0.469 INCHES NOMINAL IN |
| Mode of Oscillation | THIRD OVERTONE AND FIFTH OVERTONE |
| Overall Thickness | 0.438 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR BODY, PIN TERMINALS |
| Body Length | 1.125 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Operating Temp Range | +65.0 TO 75.0 CELSIUS DEGC |
| Specified Frequency | 15.240 KILOHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| RE9347A | 3/1 Design control — primary reference U.S. Government activity |
NSN 5955-00-256-4514 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-00-256-4514: Controlled Reference Temp: 70.0 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005 AND -0.0010 TO 0.0010; Terminal Diameter: 0.094 INCHES NOMINAL IN; Terminal Length: 0.469 INCHES NOMINAL IN. 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.
NSN 5955-00-256-4514 has DEMIL Code Q. 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.