The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-159-2620, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bliley Technologies Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-159-2620 |
| Primary Part Number | A206-1C |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Bliley Technologies Inc |
| Status | ACTIVE |
| Controlled Reference Temp | 63.5 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.0015 TO 0.0015 |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Frequency Tolerance at Reference Temp in Percent | -0.0015 TO 0.0015 |
| Precious Material | GOLD OR SILVER |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.395 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 50.0 MAXIMUM |
| Frequency Stability in Percent | -0.0035 TO 0.0035 |
| Overall Thickness | 0.190 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 0.6 MILLIWATTS MINIMUM AND 1.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 23.5 MINIMUM AND 24.5 MAXIMUM |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 6.0 MAXIMUM |
| Precious Material and Location | TERMINAL SURFACE GOLD OR TERMINAL SURFACE SILVER |
| Operating Temp Range | -56.0 TO 71.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 4.000 MEGAHERTZ |
| Body Thickness | 0.145 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 |
|---|---|
| A206-1C | Bliley Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 945072-1C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-159-2620 is a Crystal Unit,quartz, manufactured by Bliley Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-159-2620 has 1 manufacturer part number on file: A206-1C (Bliley Technologies Inc).
Key specifications for A206-1C: Controlled Reference Temp: 63.5 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.0015 TO 0.0015; Terminal Diameter: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN; Frequency Tolerance at Reference Temp in Percent: -0.0015 TO 0.0015. 22 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.