CR-77/U49.083333MHZ

View detailed technical data, stock status, and sourcing information for: CR-77/U49.083333MHZ
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-77/U49.083333MHZ 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

5955-01-181-2104

Item Name Code

00196

Assigment Date

06/07/1984 (42 years ago)

0.530 inches maximum body length, 0.778 inches maximum overall length, 0.223 inches minimum and 0.248 inches maximum terminal length, 0.435 inches maximum overall width, 0.402 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: 0.778 inches maximum
Terminal Length: 0.223 inches minimum and 0.248 inches maximum
Overall Width: 0.435 inches maximum
Body Length: 0.530 inches maximum
Body Width: 0.402 inches maximum
Body Thickness: 0.150 inches maximum
Overall Thickness: 0.183 inches maximum
Terminal Diameter: 0.038 inches minimum and 0.042 inches maximum
Mode Of Oscillation: third overtone
Circuit Resonance: series resonance
Shunt Capacitance In Picofarads: 7.0 maximum
Specified Frequency: 49.083 megahertz
Center To Center Distance Between Terminals: 0.184 inches minimum and 0.200 inches maximum
Operating Temp Range: -55.0 to 105.0 celsius
Drive Level Rating: 1.6 milliwatts minimum and 2.4 milliwatts maximum
Frequency Tolerance For Operating Temp In Percent: -0.002 to 0.002 and -0.003 to 0.003
Equivalent Resistance Value In Ohms: 40.0 maximum
Style Designator: oval body, pin terminals
Test Data Document: "81349-mil-c-3098 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Below is a list of NSNs that have been officially superseded by this NSN: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
5955-01-166-0001	No Name Available	11/01/2020

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-77/U49.083333MHZ	Quartz Crystal Unit
CR77/U49M08333	Quartz Crystal Unit
CR77U49-08333MHZ	Quartz Crystal Unit

FAQs

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

What is the FSCG of the NSN 5955-01-181-2104?

The FSCG of the NSN 5955-01-181-2104 is 5955

Does the NSN 5955-01-181-2104 have a Schedule B code assigned?

Yes, the Schedule B code is 8541900000

Does NSN 5955-01-181-2104 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 5955-01-181-2104 contain precious materials?

Precious metal content is unknown

Does NSN 5955-01-181-2104 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 5955-01-181-2104 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Jun 7, 1984