Quartz Crystal Unit

SKU: 5955000799184 | Model: CR53AU68-028000MHZ
NSN 5955-00-079-9184 NSN 5955-00-079-9184

1.023" length, 0.223" terminal length, 0.757" width, 0.775" body length, 0.725" body width, 0.317" body thickness

Specifications from the Manufacturer

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
Mode Of Oscillation:
Fifth overtone
Circuit Resonance:
Series resonance
Shunt Capacitance In Picofarads:
7.0 maximum
Specified Frequency:
68.028 megahertz
Holder Cover Material:
Operating Temp Range:
-55.0/+105.0 deg celsius
Center To Center Distance Between Terminals:
0.478 nominal mils and 0.494 nominal centimeters
Center To Center Distance Between Terminals:
0.478 inches minimum and 0.494 nominal centimeters
Drive Level Rating:
16.0 milliwatts minimum and 24.0 milliwatts maximum
Frequency Tolerance For Operating Temp In Percent:
Frequency Tolerance For Operating Temp In Percent:
-0.005 to 0.005
Equivalent Resistance Value In Ohms:
60.0 nominal
Style Designator:
Oval body, pin terminals
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.).

Pricing and Availability

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NSN 5955-00-079-9184 Datasheet

Supply Class:


Cross Reference:

  • CR53AU68-028000MHZ
  • MILC3098-31

Cage Codes:

  • Military Specifications (CAGE 81349)

Replaced or Cancelled:

5955-00-079-9184 is not a replacement of any national stock number and has not been cancelled or replaced itself.


NIIN: 000799184
NSN: 5955000799184
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.

Freight Codes:

NMF Desc: Elec Appliances/instruments Noi
NMFC: 061700
UFC: 34580
LTL: Rating variable
LCL: Rating variable
WCC: Electrical appliances, small
TCC: No special type of cargo code applicable
SHC: Other or no special handling required (sh)
ADC: Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC: Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)
ASH: No special handling required.

Reference Drawing:

[drawing of 5955-00-079-9184]

Schedule B & Trade:

8541900000 (NAICS 334413)
Diode, transistor & similar semiconductor device parts

Parts of diodes, transistors and similar semiconductor devices (including photosensitive), light emitting diodes and mounted piezoelectric crystals

End Use:


Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5955-00-079-9184 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
How is national stock number 5955-00-079-9184 defined?
An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.
What is the NIIN of NSN 5955-00-079-9184?
000799184 or 00-079-9184
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is NSN 5955000799184 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 5955000799184?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961