| 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) | 00-812-0971 (008120971) |
| NCB Code | USA (00) |
| Manufacturer | Astro Crystal, Inficon Gmbh, Lockheed Corp, Northrop Grumman Systems Corporation, Wenzel Intl Inc, United States Crystal Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1011-4 | astro crystal | crystal unit quartz | 55493 | RFQ |
| 4400B0620-4 | inficon gmbh | crystal unit quartz | 18853 | RFQ |
| 4400B0620-4 | lockheed corp | crystal unit quartz | 87557 | RFQ |
| 4400B0620-4 | northrop grumman systems corporation | crystal unit quartz | 21877 | RFQ |
| B251-10-4 | wenzel intl inc | crystal unit quartz | 00809 | RFQ |
| U4-NS-4 | united states crystal corp | crystal unit quartz | 52847 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 0.780 INCHES MAXIMUM |
| ABJT | TERMINAL LENGTH | 0.250 INCHES MAXIMUM |
| ABMK | OVERALL WIDTH | 0.435 INCHES MAXIMUM |
| ADAQ | BODY LENGTH | 0.530 INCHES MAXIMUM |
| ADPR | BODY THICKNESS | 0.150 INCHES MAXIMUM |
| AEBT | TERMINAL DIAMETER | 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| AEHD | CIRCUIT RESONANCE | SERIES RESONANCE |
| AEHT | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| CQYL | DRIVE LEVEL RATING | 2.0 MILLIWATTS NOMINAL AND 1.0 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| STYL | STYLE DESIGNATOR | TUBE BODY,WIRE LEADS |
| ADAT | BODY WIDTH | 0.402 INCHES MAXIMUM |
| ADUM | OVERALL THICKNESS | 0.183 INCHES MAXIMUM |
| AEHC | MODE OF OSCILLATION | THIRD OVERTONE AND FIFTH OVERTONE |
| AEHG | SPECIFIED FREQUENCY | 49.583333 MEGAHERTZ |
| CRFX | FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT | -0.005 TO 0.005 AND-0.0010 TO 0.0010 |
| CRMP | EQUIVALENT RESISTANCE VALUE IN OHMS | 30.0 MAXIMUM |
| MATT | MATERIAL | GLASS COVER,HOLDER |
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