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		                        | National Stock Number:
 5955-00-764-7511
 
 Federal Supply Class:
 5955
 
 National Item Identification Number:
 007647511
 
 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-51A/U31.449450MHZ | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | CR51A/U31M44945 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MIL-C-3098/29 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MILC3098-29 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 
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 Techincal Specification:
 
 | BODY LENGTH | 0.775 INCHES MAXIMUM |  | BODY THICKNESS | 0.317 INCHES MAXIMUM |  | BODY WIDTH | 0.725 INCHES MAXIMUM |  | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.486 INCHES NOMINAL |  | CIRCUIT RESONANCE | SERIES RESONANCE |  | DRIVE LEVEL RATING | 20.0 MILLIWATTS NOMINAL AND 16.0 MILLIWATTS MINIMUM AND 24.0 MILLIWATTS MAXIMUM |  | EQUIVALENT RESISTANCE VALUE IN OHMS | 40.0 NOMINAL |  | FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT | -0.005 TO 0.005 |  | MODE OF OSCILLATION | THIRD OVERTONE |  | OPERATING TEMP RANGE | -55.0 TO 105.0 CELSIUS |  | OVERALL LENGTH | 1.023 INCHES MAXIMUM |  | OVERALL THICKNESS | 0.352 INCHES MAXIMUM |  | OVERALL WIDTH | 0.757 INCHES MAXIMUM |  | SHUNT CAPACITANCE IN PICOFARADS | 7.0 MAXIMUM |  | SPECIFIED FREQUENCY | 31.44945 MEGAHERTZ |  | STYLE DESIGNATOR | OVAL BODY, PIN TERMINALS |  | TERMINAL DIAMETER | 0.050 INCHES NOMINAL |  | TERMINAL LENGTH | 0.238 INCHES NOMINAL |  | TEST DATA DOCUMENT | 81349-MILC3098 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.). | 
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