Quartz Crystal Unit

SKU: 5955001665298 | Model: CR-1D/U6.944000MHZ
NSN 5955-00-166-5298 NSN 5955-00-166-5298

1.937" length, 0.625" terminal length, 1.170" width, 1.282" body length, 1.125" body width, 0.411" body thickness

Specifications from the Manufacturer

Overall Length:
1.937 inches maximum
Terminal Length:
0.625 inches minimum and 0.655 inches maximum
Overall Width:
1.170 inches maximum
Body Length:
1.282 inches maximum
Body Width:
1.125 inches maximum
Body Thickness:
0.411 inches maximum
Overall Thickness:
0.460 inches maximum
Terminal Diameter:
0.123 inches minimum and 0.127 inches maximum
Mode Of Oscillation:
Circuit Resonance:
Load Capacitance In Picofarads:
34.5 minimum and 35.5 maximum
Specified Frequency:
6.944 megahertz
Holder Cover Material:
Operating Temp Range:
-55.0/+90.0 deg celsius
Operating Temp Range:
-55.0 to 90.0 deg celsius
Center To Center Distance Between Terminals:
0.490 nominal mils and 0.510 nominal centimeters
Center To Center Distance Between Terminals:
0.490 inches minimum and 0.510 inches maximum
Drive Level Rating:
27.0 milliwatts minimum and 33.0 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:
50.0 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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More in Oscillators And Piezoelectric Crystals

NSN 5955-00-166-5298 Datasheet

Supply Class:


Cross Reference:

  • CR-1D/U6.944000MHZ
  • MILC3098-76
  • CR1DU

Cage Codes:

  • Military Specifications (CAGE 81349)
  • Inficon Edc Inc. (CAGE 18853)

Replaced or Cancelled:

5955-00-166-5298 is not a replacement of any national stock number and has not been cancelled or replaced itself.


NIIN: 001665298
NSN: 5955001665298
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 5955-00-166-5298]

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 5955-00-166-5298 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
How is national stock number 5955-00-166-5298 defined?
An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.
What is the NIIN of NSN 5955-00-166-5298?
001665298 or 00-166-5298
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 5955001665298 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 5955001665298?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Feb 09, 1973