5B1581

View detailed technical data, stock status, and sourcing information for: 5B1581
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-363-8923

Item Name Code

04522

Assigment Date

01/01/1961 (65 years ago)

0.438 inches nominal outside corner radius, 5.000 inches nominal overall length, 4.750 inches nominal overall width, 0.1438 inches nominal hole diameter, solid single or composition cross-sectional shape style

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: solid single or composition
Hole Diameter: 0.1438 inches nominal
Overall Length: 5.000 inches nominal
Overall Width: 4.750 inches nominal
Outside Corner Radius: 0.438 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 3.875 inches nominal
Outside Edge To Bolt Hole Center Distance Along Width: 0.438 inches nominal
Outside Edge To Bolt Hole Center Distance Along Length: 0.438 inches nominal
Cross-Sectional Thickness: 0.040 inches nominal
Bolt Hole Quantity: 4
Special Features: one bolt hole 0.312 in. dia
Material: cork and cotton overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2910-00-654-3563	No Name Available	01/01/1963

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
5B1581	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-363-8923?

The FSCG of the NSN 5330-00-363-8923 is 5330

Does NSN 5330-00-363-8923 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 5330-00-363-8923 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-363-8923 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 5330-00-363-8923 was assigned to the Federal Catalog?

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