AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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 | RFQ |
|---|---|---|---|
| 291-8191-00 | rockwell collins aerospace | crystal unit quartz | RFQ |
| CR-18/B2.950000MHZ | military specifications | crystal unit quartz | RFQ |
| CR18U | joint electronics type designation system | crystal unit quartz | 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 |
| Relevant Components for NSN - 5955-00-552-1880, 5955005521880 | ||||
| 5930-01-024-7616 (5930010247616) | 5935-01-207-1630 (5935012071630) | 5930-00-522-3346 (5930005223346) | 5985-01-615-6045 (5985016156045) | |
| 5910-00-805-1017 (5910008051017) | 5962-01-297-8133 (5962012978133) | 5935-01-108-9409 (5935011089409) | 5910-01-082-8261 (5910010828261) | |
| 5930-01-681-7491 (5930016817491) | 5930-01-322-8532 (5930013228532) | 5935-00-755-3452 (5935007553452) | 5985-01-676-2667 (5985016762667) | |
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