CR1/U6M627770

View detailed technical data, stock status, and sourcing information for: CR1/U6M627770
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5955 Oscillators and Piezoelectric Crystals

National Stock Number

5955-01-028-4993

Item Name Code

00196

Assigment Date

09/29/1976 (49 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes:carbon composition type resistors.

1.937 inches maximum overall length, 1.282 inches maximum body length, 0.625 inches minimum and 0.655 inches maximum terminal length, 1.170 inches maximum overall width, 1.125 inches maximum body width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

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: fundamental
Circuit Resonance: antiresonance
Load Capacitance In Picofarads: 34.5 minimum and 35.5 maximum
Specified Frequency: 6.62777 megahertz
Center To Center Distance Between Terminals: 0.490 inches minimum and 0.510 inches maximum
Operating Temp Range: -55.0 to 90.0 celsius
Drive Level Rating: 27.0 milliwatts minimum and 33.0 milliwatts maximum
Frequency Tolerance For Operating Temp In Percent: -0.005 to 0.005
Equivalent Resistance Value In Ohms: 50.0 maximum
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.)."
Specification/Standard Data: 81349-milc3098/76 government specification

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
CR-1D/U6.627770MHZ	Quartz Crystal Unit
CR1/U6M627770	Quartz Crystal Unit

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5955-01-028-4993?

The FSCG of the NSN 5955-01-028-4993 is 5955

Does the NSN 5955-01-028-4993 have a Schedule B code assigned?

Yes, the Schedule B code is 8541900000

Does NSN 5955-01-028-4993 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5955-01-028-4993 contain precious materials?

Precious metal content is unknown

Does NSN 5955-01-028-4993 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5955-01-028-4993 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Wed, Sep 29, 1976