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NSN: 5955-00-001-2977
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Part Numbers

Item Number Item Description
CR-1D/U6.370000MHZ Crystal Unit, Quartz
MILC3098-76 Crystal Unit, Quartz
CR1DU Crystal Unit, Quartz

Master Requirement Codes

Code Translation
CQYL The drive level at which the item is designed to operate.
ADAQ A measurement of the longest dimension of the body, in distinction from width.
ADPR A measurement of the smallest dimension of a body, in distinction from length or width.
ADAT A measurement taken at right angles to the length of the body, in distinction from thickness.
AEHD The condition existing when the frequency or vibration equals the natural frequency.
CRMP The equivalent (effective) resistance for which the item is rated, expressed in ohms.
CRFX The permissible frequency deviation within the operating temperature range, expressed in percent.
AEHS The element, compound, or mixture of which the holder cover is fabricated.
AFGA The minimum and maximum limits of temperature at which the item is rated for operation.
AEHC The mode of frequency at which the device is designed to operate.
AEHE The amount of electrical capacitance under a load condition, required for normal operation in a circuit, expressed in picofarads.
ABHP The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
ADUM An overall measurement of the smallest dimension of an item, in distinction from length or width.
ABMK An overall measurement taken at right angles to the length of an item, in distinction from thickness.
AEHG The frequency at which the item is designed to operate under specified conditions.
STYL The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
AEBT The length of a straight line which passes through the center of a terminal, and terminates at the circumference.
ABJT A measurement of the longest dimension of a terminal, in distinction from width.
TEST The specification, standard, drawing, or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.

MILC3098-76 Quartz Crystal Unit

Cage 13571

Technical Definition

Crystal Unit, Quartz, also referenced with federal logistics item name code 00196 - An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.

Technical Characteristics

Drive Level Rating (CQYL):
27.0 milliwatts minimum and 33.0 milliwatts maximum
Body Length (ADAQ):
1.282 inches maximum
Body Thickness (ADPR):
0.411 inches maximum
Body Width (ADAT):
1.125 inches maximum
Center To Center Distance Between Terminals (CQBK):
0.490 inches minimum and 0.510 nominal centimeters
Circuit Resonance (AEHD):
Equivalent Resistance Value In Ohms (CRMP):
60.0 nominal
Frequency Tolerance For Operating Temp In Percent (CRFX):
Holder Cover Material (AEHS):
Operating Temp Range (AFGA):
-55.0 to 90.0 deg celsius
Mode Of Oscillation (AEHC):
Load Capacitance In Picofarads (AEHE):
34.5 minimum and 35.5 maximum
Overall Length (ABHP):
1.937 inches maximum
Overall Thickness (ADUM):
0.460 inches maximum
Overall Width (ABMK):
1.170 inches maximum
Specified Frequency (AEHG):
6.370 megahertz
Style Designator (STYL):
Oval body, pin terminals
Terminal Diameter (AEBT):
0.048 inches minimum and 0.052 inches maximum
Terminal Length (ABJT):
0.625 inches minimum and 0.655 inches maximum
Test Data Document (TEST):
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.).

National Stock Number (NSN)