The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-142-5066, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-142-5066 |
| Primary Part Number | 0410-1125 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.015 TO 0.015 |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | THIRD OVERTONE |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 40.0 MAXIMUM |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 1.0 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 32.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | +0.0 TO 55.0 CELSIUS DEGC |
| Specified Frequency | 45.8752 MEGAHERTZ |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 0410-1125 PRIMARY | Keysight Technologies Inc (USA) |
| 0410-1125 | Colorado Crystal Corporation (USA) |
| Reference | Meaning |
|---|---|
| 0410-1125 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 0410-1125 | 5/2 Secondary reference U.S. Government activity |
| 0410-1125 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5955-01-142-5066 is a Crystal Unit,quartz, manufactured by Keysight Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-142-5066 has 2 manufacturer part numbers on file: 0410-1125 (Keysight Technologies Inc), 0410-1125 (Colorado Crystal Corporation).
Key specifications for 0410-1125: Frequency Tolerance for Operating Temp in Percent: -0.015 TO 0.015; Terminal Diameter: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM IN; Mode of Oscillation: THIRD OVERTONE. 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.
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.