| 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) | 00-552-1880 (005521880) |
| NCB Code | USA (00) |
| Manufacturer | Rockwell Collins Aerospace, Military Specifications, Joint Electronics Type Designation System |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 291-8191-00 | rockwell collins aerospace | crystal unit quartz | 13499 | RFQ |
| CR-18/B2.950000MHZ | military specifications | crystal unit quartz | 81349 | RFQ |
| CR18U | joint electronics type designation system | crystal unit quartz | 80058 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 1.023 INCHES MAXIMUM |
| ABJT | TERMINAL LENGTH | 0.248 INCHES MAXIMUM |
| ABMK | OVERALL WIDTH | 0.757 INCHES MAXIMUM |
| ADAQ | BODY LENGTH | 0.775 INCHES MAXIMUM |
| ADUM | OVERALL THICKNESS | 0.352 INCHES MAXIMUM |
| AEBT | TERMINAL DIAMETER | 0.050 INCHES NOMINAL |
| AEHC | MODE OF OSCILLATION | FUNDAMENTAL |
| AEHG | SPECIFIED FREQUENCY | 2.950 MEGAHERTZ |
| AEHT | CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.486 INCHES NOMINAL |
| AFGA | OPERATING TEMP RANGE | -55.0 TO 90.0 DEG CELSIUS |
| CRFX | FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT | -0.005 TO 0.005 |
| STYL | STYLE DESIGNATOR | OVAL BODY,PIN TERMINALS |
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