A78923

View detailed technical data, stock status, and sourcing information for: A78923
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-256-0820

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

0.281 inches nominal hole diameter, 1.750 inches nominal aperture diameter, rectangular metal cross-sectional shape style, 2.625 inches nominal bolt circle diameter, 3.125 inches nominal outside 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: rectangular metal
Hole Diameter: 0.281 inches nominal
Bolt Circle Diameter: 2.625 inches nominal
Outside Diameter: 3.125 inches nominal
Aperture Diameter: 1.750 inches nominal
Cross-Sectional Thickness: 0.050 inches nominal
Bolt Hole Quantity: 6
Material: lead overall
Material Document And Classification: qq-l-201 gr b fed spec single material response overall
Style Designator: circular

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
A7890-023	Gasket
A78923	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-256-0820?

The FSCG of the NSN 5330-00-256-0820 is 5330

Does NSN 5330-00-256-0820 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 5330-00-256-0820 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-256-0820 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 5330-00-256-0820 was assigned to the Federal Catalog?

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