The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-009-5748, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-01-009-5748 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Controlled Reference Temp | 25.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.002 TO 0.002 |
| Terminal Diameter | 0.017 INCHES NOMINAL IN |
| Frequency Tolerance at Reference Temp in Percent | -0.002 TO 0.002 |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | SEVENTH OVERTONE |
| Body Width | 0.399 INCHES NOMINAL IN |
| Overall Thickness | 0.166 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 5.5 NOMINAL |
| Operating Temp Range | -20.0 TO 65.0 CELSIUS DEGC |
| Specified Frequency | 137.700 MEGAHERTZ |
| Body Thickness | 0.147 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 |
|---|---|
| 46510-1 | 5/9 Secondary reference Inficon Edc Inc. |
| 46510-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5955-01-009-5748 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-01-009-5748: Controlled Reference Temp: 25.0 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002; Terminal Diameter: 0.017 INCHES NOMINAL IN; Frequency Tolerance at Reference Temp in Percent: -0.002 TO 0.002. 16 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 5955-01-009-5748 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.