C489-1

View detailed technical data, stock status, and sourcing information for: C489-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-964-0087

Item Name Code

04522

Assigment Date

05/27/1966 (60 years ago)

An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.

3.875 inches nominal aperture diameter, metal and synthetic rubber cross-sectional shape style, 0.120 inches nominal cross-sectional thickness, 4.870 inches minimum and 4.880 inches maximum bolt circle diameter, 5.875 inches nominal outside diameter

Product Characteristics

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

Cross-Sectional Shape Style: metal and synthetic rubber
Bolt Circle Diameter: 4.870 inches minimum and 4.880 inches maximum
Outside Diameter: 5.875 inches nominal
Aperture Diameter: 3.875 inches nominal
Cross-Sectional Thickness: 0.120 inches nominal
Gage Ring Thickness: 0.080 inches nominal
Bolt Hole Quantity: 8
Elongation Percentage: 125 maximum
Smallest Bolt Hole Diameter: 0.228 inches minimum and 0.236 inches maximum
Largest Bolt Hole Diameter: 0.289 inches minimum and 0.296 inches maximum
Material: aluminum alloy 6061 and rubber fluorosilicone class fq overall
Material Document And Classification: qq-a-225/8 fed spec 1st material response and mil-r-25988 mil spec 2nd material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response overall
Style Designator: circular

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
C489-1	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-964-0087?

The FSCG of the NSN 5330-00-964-0087 is 5330

Does NSN 5330-00-964-0087 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 5330-00-964-0087 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-964-0087 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5330-00-964-0087 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, May 27, 1966