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National Stock Number:
5955-00-945-1728
Federal Supply Class:
5955
National Item Identification Number:
009451728
Description:
CRYSTAL UNIT,QUARTZ
Detail:
An item which consists of a quartz crystal resonator(s), suitably mounted in a HOLDER, QUARTZ CRYSTAL.
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Manufacturer Information:
| CR-50A/U20.790KHZ | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | CR50A/U20K79000 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-C-3098/28 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MILC3098-28 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MODE OF OSCILLATION | FUNDAMENTAL | | EQUIVALENT RESISTANCE VALUE IN OHMS | 100000.0 NOMINAL | | CIRCUIT RESONANCE | SERIES RESONANCE | | SPECIFIED FREQUENCY | 20.790 KILOHERTZ | | FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT | -0.012 TO 0.012 AND | | -0.050 TO 0.050 | | OPERATING TEMP RANGE | -40.0 TO 70.0 DEG CELSIUS | | DRIVE LEVEL RATING | 0.1000 MILLIWATTS NOMINAL AND | | 0.0999 MILLIWATTS MINIMUM AND | | 0.1001 MILLIWATTS MAXIMUM | | MATERIAL | GLASS COVER, HOLDER | | STYLE DESIGNATOR | TUBE BODY, WIRE LEADS | | SHUNT CAPACITANCE IN PICOFARADS | 6.9 NOMINAL AND | | 5.9 MINIMUM AND | | 7.9 MAXIMUM | | OVERALL LENGTH | 1.774 INCHES MAXIMUM | | TERMINAL LENGTH | 0.238 INCHES NOMINAL | | OVERALL WIDTH | 0.757 INCHES MAXIMUM | | BODY LENGTH | 1.526 INCHES MAXIMUM | | BODY WIDTH | 0.725 INCHES MAXIMUM | | BODY THICKNESS | 0.317 INCHES MAXIMUM | | OVERALL THICKNESS | 0.352 INCHES MAXIMUM | | TERMINAL DIAMETER | 0.050 INCHES NOMINAL | | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.486 INCHES NOMINAL | | TEST DATA DOCUMENT | 81349-MILC3098/55 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | CR50A/U20K79000 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-C-3098/28 |
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