Quartz Crystal Unit NSN 5955-01-081-6948

Item Description

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

NSN: 5955-01-081-6948

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Features and Characteristics

Overall Length

0.778 inches

Terminal Length

Between 0.223 inches and 0.248 inches

Overall Width

0.435 inches

Body Length

0.530 inches

Body Width

0.402 inches

Body Thickness

0.150 inches

Overall Thickness

0.183 inches

Terminal Diameter

Between 0.038 inches and 0.042 inches

Mode Of Oscillation

Third overtone and fifth overtone

Circuit Resonance

Series resonance

Shunt Capacitance In Picofarads

7.0

Specified Frequency

42.000 megahertz

Holder Cover Material

Metal

Operating Tempurature Range

-40.0/+90.0 degrees celsius and -55.0/+105.0 degrees celsius

Center To Center Distance Between Terminals

0.184 mils and 0.200 centimeters

Drive Level Rating

Between 1.6 milliwatts and 2.4 milliwatts

Frequency Tolerance For Operating Tempurature In Percent

-0.002/+0.002 and -0.003/+0.003

Equivalent Resistance Value In Ohms

40.0

Style Designator

7 pin tube base

Test Data Document

81349-mil-c-3098/4 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", "", etc.).

Specification Data

81349-mil-c-3098/55 government specification

FSC

5955 Oscillators And Piezoelectric Crystals

NIIN

010816948

NSN

5955010816948

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

CR-77/U42.000000MHZ

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-C-3098/55

Cage Code:

81349

Status:

MSDS:

Part Number:

CR-77/U

Cage Code:

13571

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8541900000
NAICS: 334413
SITC: 77688
Description: Diode, transistor & similar semiconductor device parts
End Use (Code 21320):
Semiconductors

Q & A

Frequently asked questions for NSN 5955-01-081-6948

What are the manufacturers of nsn 5955010816948?

Military Specifications (81349)
Electronic Research Co (13571)

Does this nsn 5955010816948 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5955010816948
An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.

Does nsn 5955010816948 contain any precious metals?
Precious metal content is unknown.

Does nsn 5955010816948 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5955010816948?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

00196

FIIG:

A059A0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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