NSN 5955-00-990-6878 CR18/U12M51780, CR18U12M51780, MIL-C-3098/3
Product Details | QUARTZ CRYSTAL UNIT
5955-00-990-6878 An item which consists of a quartz crystal resonator(s), suitably mounted in a HOLDER, QUARTZ CRYSTAL.
Part Alternates: CR18/U12M51780, CR18U12M51780, MIL-C-3098/3, MILC30983, 5955-00-990-6878, 00-990-6878, 5955009906878, 009906878
Electrical and Electronic Equipment Components | Oscillators and Piezoelectric Crystals
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1962 | 00-990-6878 | 00196 ( CRYSTAL UNIT, QUARTZ ) |
Drawings & Photos | NSN 5955-00-990-6878
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Technical Data | NSN 5955-00-990-6878
| Characteristic | Specifications |
|---|---|
| MODE OF OSCILLATION | FUNDAMENTAL |
| CIRCUIT RESONANCE | ANTIRESONANCE |
| LOAD CAPACITANCE IN PICOFARADS | 31.5 MINIMUM AND 32.5 MAXIMUM |
| SHUNT CAPACITANCE IN PICOFARADS | 7.0 MAXIMUM |
| SPECIFIED FREQUENCY | 12.5178 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 | 22.0 NOMINAL |
| DRIVE LEVEL RATING | 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM |
| STYLE DESIGNATOR | 1 OVAL BODY, PIN TERMINALS |
| OVERALL LENGTH | 1.023 INCHES MAXIMUM |
| TERMINAL LENGTH | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| 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 0.052 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN TERMINALS | 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| HOLDER COVER MATERIAL | METAL |
| TEST DATA DOCUMENT | 81349-MILC3098 SPECIFICATION |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | CR18/U12M51780 |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-C-3098/3 |
Restrictions/Controls & Freight Information | NSN 5955-00-990-6878
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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 | 063025 | SEMICONDUCTORS/DEVICES NOI ETC |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 72D | 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 5955-00-990-6878
Navy
Marines| Category | Code | Description |
|---|---|---|
| Stores Account Code | 1 | Marine Corps Stock Fund Account Item. |
| Materiel Management Code | E | Electronics MaterielDefense Electronics Supply Center (DESC) |
| Echelon Management Code | 2 | ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DM | U.S. Marine Corps |
| Service Organization | M | U.S. Marine Corps |
| Reparability | Z | Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code. |
| Acquisition Advice Codes | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |