NSN 5955-00-951-8943 CR-18A/U7.890000MHZ, CR18AU7890000MHZ, MILC30983
Product Details | QUARTZ CRYSTAL UNIT
5955-00-951-8943 An item which consists of a quartz crystal resonator(s), suitably mounted in a HOLDER, QUARTZ CRYSTAL.
Part Alternates: CR-18A/U7.890000MHZ, CR18AU7890000MHZ, MILC30983, MILC3098-3, 5955-00-951-8943, 00-951-8943, 5955009518943, 009518943
Electrical and Electronic Equipment Components | Oscillators and Piezoelectric Crystals
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1962 | 00-951-8943 | 00196 ( CRYSTAL UNIT, QUARTZ ) |
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Technical Data | NSN 5955-00-951-8943
| Characteristic | Specifications |
|---|---|
| III MODE OF OSCILLATION | FUNDAMENTAL |
| CIRCUIT RESONANCE | ANTIRESONANCE |
| LOAD CAPACITANCE IN PICOFARADS | 31.5 MINIMUM AND |
| SHUNT CAPACITANCE IN PICOFARADS | 7.0 MAXIMUM |
| SPECIFIED FREQUENCY | 7.890 MEGAHERTZ |
| FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT | -0.005 TO 0.005 |
| OPERATING TEMP RANGE | -55.0 TO 105.0 DEG CELSIUS |
| EQUIVALENT RESISTANCE VALUE IN OHMS | 24.0 NOMINAL |
| DRIVE LEVEL RATING | 8.0 MILLIWATTS MINIMUM AND |
| STYLE DESIGNATOR | OVAL BODY, PIN TERMINALS |
| OVERALL LENGTH | 1.023 INCHES MAXIMUM |
| TERMINAL LENGTH | 0.223 INCHES MINIMUM AND |
| 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 |
| CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.478 INCHES MINIMUM AND |
| HOLDER COVER MATERIAL | METAL |
| TEST DATA DOCUMENT | 81349-MILC3098 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.). |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | CR-18A/U7.890000MHZ |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILC3098-3 |
Restrictions/Controls & Freight Information | NSN 5955-00-951-8943
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 061700 | ELEC APPLIANCES/INSTRUMENTS NOI |
| Less than car load rating | W | Rating Variable |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 658 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 5955-00-951-8943
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9N | Navy-owned stocks of defense electronic material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9E | Defense Supply Center Columbus Columbus, OH 43218 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |