CR-50A/U20.790KHZ

View detailed technical data, stock status, and sourcing information for: CR-50A/U20.790KHZ
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part CR-50A/U20.790KHZ to receive an up to date pricing and availability quote by email.

Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5955 Oscillators and Piezoelectric Crystals

National Stock Number

5955-00-945-1728

Item Name Code

00196

Assigment Date

03/04/1966 (60 years ago)

An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.

1.774 inches maximum overall length, 1.526 inches maximum body length, 0.238 inches nominal terminal length, 0.757 inches maximum overall width, 0.725 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: 1.774 inches maximum
Terminal Length: 0.238 inches nominal
Overall Width: 0.757 inches maximum
Body Length: 1.526 inches maximum
Body Width: 0.725 inches maximum
Body Thickness: 0.317 inches maximum
Overall Thickness: 0.352 inches maximum
Terminal Diameter: 0.050 inches nominal
Mode Of Oscillation: fundamental
Circuit Resonance: series resonance
Shunt Capacitance In Picofarads: 6.9 nominal and 5.9 minimum and 7.9 maximum
Specified Frequency: 20.790 kilohertz
Center To Center Distance Between Terminals: 0.486 inches nominal
Operating Temp Range: -40.0 to 70.0 celsius
Drive Level Rating: 0.1000 milliwatts nominal and 0.0999 milliwatts minimum and 0.1001 milliwatts maximum
Frequency Tolerance For Operating Temp In Percent: -0.012 to 0.012 and -0.050 to 0.050
Equivalent Resistance Value In Ohms: 100000.0 nominal
Material: glass cover, holder
Style Designator: tube body, wire leads
Test Data Document: "81349-milc3098/55 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.)."

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5955-00-948-3304	No Name Available	08/26/1968

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-50A/U20.790KHZ	Quartz Crystal Unit
CR50A/U20K79000	Quartz Crystal Unit

FAQs

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

What is the FSCG of the NSN 5955-00-945-1728?

The FSCG of the NSN 5955-00-945-1728 is 5955

Does the NSN 5955-00-945-1728 have a Schedule B code assigned?

Yes, the Schedule B code is 8541900000

Does NSN 5955-00-945-1728 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 5955-00-945-1728 contain precious materials?

Precious metal content is unknown

Does NSN 5955-00-945-1728 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 5955-00-945-1728 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Mar 4, 1966