NSN 5955-00-217-1251
Part Details | QUARTZ CRYSTAL UNIT
5955-00-217-1251 An item which consists of a quartz crystal resonator(s), suitably mounted in a HOLDER, QUARTZ CRYSTAL.
Alternate Parts: CR27AU, CR-27A/U, CR27U1.255000MHZ, CR-27/U1.255000MHZ, MILC30989, MIL-C-3098/9, CR27AU1.255000MHZ, CR-27A/U1.255000MHZ, 5955-00-217-1251, 00-217-1251, 5955002171251, 002171251
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | MAY 02, 1973 | 00-217-1251 | 00196 ( CRYSTAL UNIT, QUARTZ ) |
REFERENCE DRAWINGS & PICTURES
OVAL BODY, PIN TERMINALS

Cross Reference | NSN 5955-00-217-1251
Part Number | Cage Code | Manufacturer |
---|---|---|
CR-27A/U | 18853 | INFICON EDC INC. |
CR-27/U1.255000MHZ | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
MIL-C-3098/9 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
CR-27A/U1.255000MHZ | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 5955-00-217-1251
Characteristic | Specifications |
---|---|
MODE OF OSCILLATION | FUNDAMENTAL |
CIRCUIT RESONANCE | ANTIRESONANCE |
LOAD CAPACITANCE IN PICOFARADS | 31.5 MINIMUM AND 32.5 MAXIMUM |
SHUNT CAPACITANCE IN PICOFARADS | 7.0 MAXIMUM |
SPECIFIED FREQUENCY | 1.255 MEGAHERTZ |
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT | FM0.002/P0.002$$FM0.005/P0.005 |
OPERATING TEMP RANGE | +70.0 TO +80.0 DEG CELSIUS |
CONTROLLED REFERENCE TEMP | 75.0 DEG CELSIUS |
FREQUENCY STABILITY IN PERCENT | M0.0005/P0.0005 |
OPERABLE TEMP RANGE | -55.0 TO +90.0 DEG CELSIUS |
EQUIVALENT RESISTANCE VALUE IN OHMS | 450.0 NOMINAL |
DRIVE LEVEL RATING | 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM |
STYLE DESIGNATOR | 8 OVAL BODY, PIN TERMINALS |
OVERALL LENGTH | 1.023 INCHES MAXIMUM |
TERMINAL LENGTH | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
OVERALL WIDTH | 0.757 INCHES MAXIMUM |
BODY LENGTH | 0.775 INCHES MAXIMUM |
BODY WIDTH | 0.725 INCHES MAXIMUM |
BODY THICKNESS | 0.317 INCHES MAXIMUM |
OVERALL THICKNESS | 0.352 INCHES MAXIMUM |
TERMINAL DIAMETER | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
HOLDER COVER MATERIAL | 0$DGS0000 |
TEST DATA DOCUMENT | 81349-MIL-C-3098 TO 62 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.). |
SPECIFICATION/STANDARD DATA | 81349-MIL-C-3098 TO 95 GOVERNMENT SPECIFICATION |