66258

View detailed technical data, stock status, and sourcing information for: 66258
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-255-0542

Item Name Code

04522

Assigment Date

01/01/1961 (65 years ago)

3.750 inches nominal overall width, 0.438 inches nominal hole diameter, 2.875 inches nominal bolt circle diameter, 1.797 inches nominal aperture 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: 0.438 inches nominal
Bolt Circle Diameter: 2.875 inches nominal
Overall Width: 3.750 inches nominal
Aperture Diameter: 1.797 inches nominal
Outside Corner Radius: 0.438 inches nominal
Side Radius From Gasket Center: 1.375 inches nominal
Cross-Sectional Thickness: 0.031 inches nominal
Bolt Hole Quantity: 2
Material: paper and rubber overall
Material Document And Classification: mil-g-12803 f33749-3 mil spec 7th material response overall
Style Designator: non-circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-322-7301	No Name Available	05/31/1968

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
66258	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-255-0542?

The FSCG of the NSN 5330-00-255-0542 is 5330

Does NSN 5330-00-255-0542 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 5330-00-255-0542 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-255-0542 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 5330-00-255-0542 was assigned to the Federal Catalog?

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