The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-403-2809, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Phoenix Microsystems Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-403-2809 |
| Primary Part Number | 13-00021 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Phoenix Microsystems Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.002 TO 0.002 |
| Overall Diameter | 3.000 MILLIMETERS NOMINAL MM |
| Terminal Length | 10.000 MILLIMETERS NOMINAL MM |
| Equivalent Resistance Value in Ohms | 35000.0 NOMINAL |
| Style Designator | ROUND BODY, WIRE LEADS |
| Drive Level Rating | 10.0 MILLIWATTS NOMINAL |
| Load Capacitance in Picofarads | 12.5 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 2.0 MAXIMUM |
| Operating Temp Range | -10.0 TO 60.0 CELSIUS DEGC |
| Specified Frequency | 32.768 KILOHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13-00021 PRIMARY | Phoenix Microsystems Inc (USA) |
| Reference | Meaning |
|---|---|
| 3X832768 | 5/9 Secondary reference United States Crystal Corp |
NSN 5955-01-403-2809 is a Crystal Unit,quartz, manufactured by Phoenix Microsystems Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-403-2809 has 1 manufacturer part number on file: 13-00021 (Phoenix Microsystems Inc).
Key specifications for 13-00021: Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002; Overall Diameter: 3.000 MILLIMETERS NOMINAL MM; Terminal Length: 10.000 MILLIMETERS NOMINAL MM; Equivalent Resistance Value in Ohms: 35000.0 NOMINAL. 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 5955-01-403-2809 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.