A52489-2

View detailed technical data, stock status, and sourcing information for: A52489-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-721-5895

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

0.710 inches minimum and 0.830 inches maximum outside diameter, 0.552 inches minimum and 0.565 inches maximum aperture diameter, 0.040 inches minimum and 0.055 inches maximum cross-sectional thickness, 50.0 rockwell b minimum and 60.0 rockwell b maximum overall hardness rating, steel overall material

Product Characteristics

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

Outside Diameter: 0.710 inches minimum and 0.830 inches maximum
Aperture Diameter: 0.552 inches minimum and 0.565 inches maximum
Cross-Sectional Thickness: 0.040 inches minimum and 0.055 inches maximum
Hardness Rating: 50.0 rockwell b minimum and 60.0 rockwell b maximum overall
Material: steel overall
Material Document And Classification: qq-s-698 fed spec single material response overall
Surface Treatment: copper or zinc and chromate overall
Surface Treatment Document And Classification: mil-c-14550,cl 3 mil spec 1st treatment response or qq-z-325 ty 2 cl 3 fed spec 2nd treatment response overall

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
A-A-52489	Gasket
A52489-2	Gasket
MS35910-2	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-721-5895?

The FSCG of the NSN 5330-00-721-5895 is 5330

Does NSN 5330-00-721-5895 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 5330-00-721-5895 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-721-5895 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 5330-00-721-5895 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963