The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-668-4156, is classified within Federal Supply Class 5955 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-668-4156 |
| Primary Part Number | 20BD455 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| Status | ACTIVE |
| Body Width | 0.688 INCHES NOMINAL IN |
| Terminal Length | 2.000 INCHES NOMINAL IN |
| Terminal Diameter | 0.017 INCHES NOMINAL IN |
| Overall Thickness | 0.312 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Body Thickness | 0.280 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.478 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Mode of Oscillation | FUNDAMENTAL |
| Specified Frequency | 445.000 KILOHERTZ |
| Operating Temp Range | -50.0 TO 120.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.020 TO 0.020 |
| Equivalent Resistance Value in Ohms | 900.0 NOMINAL |
| Drive Level Rating | 10.0 MILLIWATTS NOMINAL |
| Shunt Capacitance in Picofarads | 5.3 NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5955-00-668-4156 is a Crystal Unit,quartz, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-00-668-4156 has 3 cross-referenced part numbers: 20BD455 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), CR-102 (The Technical Material Corporation Dba T M C), 20BD455 (Piezo Crystal Co).
There are 6 known substitutes for 5955-00-668-4156: 5961-00-111-2067, 5910-00-872-6544, 5961-00-937-9332 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20BD455: Overall Width: 0.720 INCHES NOMINAL IN; Body Width: 0.688 INCHES NOMINAL IN; Terminal Length: 2.000 INCHES NOMINAL IN; Terminal Diameter: 0.017 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.