4020638

View detailed technical data, stock status, and sourcing information for: 4020638
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-352-1836

Item Name Code

21205

Assigment Date

02/02/1974 (52 years ago)

0.0850 inches minimum and 0.0950 inches maximum radial wall thickness, contracting concentric ring style, 0.1540 inches minimum and 0.1550 inches maximum overall width, plain rectangular, straight face cross-sectional shape style, 3.500 inches nominal inside 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: plain rectangular, straight face
Inside Diameter: 3.500 inches nominal
Ring Style: contracting concentric
Radial Wall Thickness: 0.0850 inches minimum and 0.0950 inches maximum
Overall Width: 0.1540 inches minimum and 0.1550 inches maximum
Joint Style: step joint
Metallic Hardness Rating: 32.0 nominal rockwell c
Material: steel overall
Surface Treatment: chromium outside periphery
Fsc Application Data: engine,acft,turbofan

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
4020638	Metal Seal Ring
5330PL0796324	Metal Seal Ring
83565-00	Metal Seal Ring

FAQs

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

What is the FSCG of the NSN 5330-00-352-1836?

The FSCG of the NSN 5330-00-352-1836 is 5330

Does the NSN 5330-00-352-1836 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-352-1836 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 5330-00-352-1836 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-352-1836 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 5330-00-352-1836 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Feb 2, 1974