The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-028-6711, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eldec Aerospace Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-01-028-6711 |
| Primary Part Number | CY01-01 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Eldec Aerospace Corp |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Terminal Diameter | 0.030 INCHES NOMINAL IN |
| Overall Diameter | 0.360 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 5000.0 NOMINAL |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Drive Level Rating | 1.0 MILLIWATTS NOMINAL AND 0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -10.0 TO 60.0 CELSIUS DEGC |
| Specified Frequency | 800.000 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 |
| Part Number | Manufacturer |
|---|---|
| CY01-01 PRIMARY | Eldec Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 115DX-800KHZ | 5/9 Secondary reference Power Control Devices Inc |
| 115DX-800KHZ | 5/9 Secondary reference Power Control Devices, Inc. |
NSN 5955-01-028-6711 is a Crystal Unit,quartz, manufactured by Eldec Aerospace Corp, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-028-6711 has 1 manufacturer part number on file: CY01-01 (Eldec Aerospace Corp).
Key specifications for CY01-01: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.030 INCHES NOMINAL IN; Overall Diameter: 0.360 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL. 10 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 5955-01-028-6711 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.