1U311

View detailed technical data, stock status, and sourcing information for: 1U311
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-641-4801

Item Name Code

04521

Assigment Date

01/01/1961 (65 years ago)

o-ring cross-sectional shape style, rubber synthetic overall material, 4.750 inches nominal center hole diameter, black color, 0.125 inches nominal cross-sectional height

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: o-ring
Cross-Sectional Height: 0.125 inches nominal
Center Hole Diameter: 4.750 inches nominal
Color: black
Material: rubber synthetic 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
1866-26	Preformed Packing
1U311	Preformed Packing
S8-26	Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-00-641-4801?

The FSCG of the NSN 5330-00-641-4801 is 5330

Does the NSN 5330-00-641-4801 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-641-4801 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 5330-00-641-4801 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-641-4801 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 5330-00-641-4801 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961