| Item Name | Crystal Unit Quartz |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5955 Oscillators Piezoelectric Crystals |
| National Item Identification Number (NIIN) | 01-094-8135 (010948135) |
| NCB Code | USA (01) |
| Manufacturer | Quartztek Inc, Electronic Research Co, Cts Inc, Vectron International Inc, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| CR-77 U | quartztek inc | crystal unit quartz | 59492 | RFQ |
| CR-77 U | electronic research co | crystal unit quartz | 13571 | RFQ |
| CR-77/U | cts inc | crystal unit quartz | 75378 | RFQ |
| CR-77/U | vectron international inc | crystal unit quartz | 00136 | RFQ |
| CR-77/U54.247625MHZ | military specifications | crystal unit quartz | 81349 | RFQ |
| CR77/U54M24763 | military specifications | crystal unit quartz | 81349 | RFQ |
| MIL-C-3098/55 | military specifications | crystal unit quartz | 81349 | RFQ |
| MIL-PRF-3098/55 | military specifications | crystal unit quartz | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 0.753 INCHES MINIMUM AND 0.778 INCHES MAXIMUM |
| ABJT | TERMINAL LENGTH | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| ABMK | OVERALL WIDTH | 0.435 INCHES MAXIMUM |
| ADAQ | BODY LENGTH | 0.530 INCHES MAXIMUM |
| ADAT | BODY WIDTH | 0.402 INCHES MAXIMUM |
| ADPR | BODY THICKNESS | 0.150 INCHES MAXIMUM |
| ADUM | OVERALL THICKNESS | 0.183 INCHES MAXIMUM |
| AEBT | TERMINAL DIAMETER | 0.040 INCHES NOMINAL |
| AEHC | MODE OF OSCILLATION | THIRD OVERTONE AND FIFTH OVERTONE |
| AEHD | CIRCUIT RESONANCE | SERIES RESONANCE |
| AEHF | SHUNT CAPACITANCE IN PICOFARADS | 7.0 MAXIMUM |
| AEHG | SPECIFIED FREQUENCY | 54.247625 MEGAHERTZ |
| AEHT | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.192 INCHES NOMINAL |
| AFGA | OPERATING TEMP RANGE | -40.0 TO 90.0 DEG CELSIUS AND-55.0 TO 105.0 DEG CELSIUS |
| CQYL | DRIVE LEVEL RATING | 2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| CRFX | FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT | -0.002 TO 0.002 AND-0.003 TO 0.003 |
| CRMP | EQUIVALENT RESISTANCE VALUE IN OHMS | 40.0 MAXIMUM |
| STYL | STYLE DESIGNATOR | 7 PIN TUBE BASE |
| SUPP | SUPPLEMENTARY FEATURES | PIN UNDERCUT MAY BE OMITTED |
| TEST | TEST DATA DOCUMENT | 81349-MIL-C-3098/4 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECT |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-C-3098/55 GOVERNMENT SPECIFICATION |
| Components Related to NSN - 5955-01-094-8135, 5955010948135 | ||||
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| 5999-00-539-5784 (5999005395784) | 5905-01-313-7171 (5905013137171) | 5950-01-076-6980 (5950010766980) | 5965-01-571-2725 (5965015712725) | |
| 5920-01-501-5961 (5920015015961) | 5930-01-296-8547 (5930012968547) | 5996-00-048-2496 (5996000482496) | 5930-00-022-4311 (5930000224311) | |
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