The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-058-4758, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cts Valpey Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-058-4758 |
| Primary Part Number | DT240042-1 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Cts Valpey Corporation |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.0005 TO 0.0005 |
| Terminal Diameter | 0.026 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Terminal Length | 1.000 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 2000.0 MAXIMUM |
| Overall Thickness | 0.343 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 0.1 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.456 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 8.3 NOMINAL |
| Operating Temp Range | -40.0 TO 71.0 CELSIUS DEGC |
| Specified Frequency | 240.042 KILOHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DT240042-1 | Cts Valpey Corporation (USA) |
| Reference | Meaning |
|---|---|
| DT240042-1 | 5/9 Secondary reference Murata Erie North America Inc State College Opns |
| 128206-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-058-4758 is a Crystal Unit,quartz, manufactured by Cts Valpey Corporation, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-058-4758 has 1 manufacturer part number on file: DT240042-1 (Cts Valpey Corporation).
Key specifications for DT240042-1: Frequency Tolerance for Operating Temp in Percent: -0.0005 TO 0.0005; Terminal Diameter: 0.026 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN; Terminal Length: 1.000 INCHES MINIMUM IN; Mode of Oscillation: FUNDAMENTAL. 13 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.