B1331B

View detailed technical data, stock status, and sourcing information for: B1331B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-579-5056

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

4.250 inches nominal overall width, 0.469 inches nominal hole diameter, solid single or composition cross-sectional shape style, 3.313 inches nominal bolt circle diameter, 1.969 inches nominal aperture 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: solid single or composition
Hole Diameter: 0.469 inches nominal
Bolt Circle Diameter: 3.313 inches nominal
Overall Width: 4.250 inches nominal
Aperture Diameter: 1.969 inches nominal
Outside Corner Radius: 0.469 inches nominal
Side Radius From Gasket Center: 1.406 inches nominal
Cross-Sectional Thickness: 0.031 inches nominal
Material: paper and glue overall
Material Document And Classification: mil-g-12803,+3313b mil spec all material responses or mil-g-12803,+3313c mil spec all material responses 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
07-552841	Gasket
552841	Gasket
B1331B	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-579-5056?

The FSCG of the NSN 5330-00-579-5056 is 5330

Does NSN 5330-00-579-5056 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 5330-00-579-5056 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-579-5056 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 5330-00-579-5056 was assigned to the Federal Catalog?

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