90300A180

View detailed technical data, stock status, and sourcing information for: 90300A180
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-668-4698

Item Name Code

18257

Assigment Date

11/24/2017 (8 years ago)

Two or more interconnected semiconductor device (1), diode arranged in stack(s) for use in power supplies to change alternating current to direct current. For items containing material such as selenium or copper oxide, see rectifier, metallic.

hexagon extended washer head style, right-hand thread direction, 1.00 inches nominal thread length, 1.234375 inches nominal fastener length, 2a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 1.00 inches nominal
Fastener Length: 1.234375 inches nominal
Head Style: hexagon extended washer
Head Height: 0.234375 inches nominal
Width Between Flats: 0.5625 inches nominal
Extended Washer Diameter: 1.015 inches nominal
Extended Washer Thickness: 0.064 inches nominal
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 100000 pounds per square inch
Hardness Rating: 95.0 rockwell b nominal overall
Material: steel corrosion resisting overall
Thread Series Designator: unc

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
37100HCF18-8	Hexagon Head Cap Screw
90300A180	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-668-4698?

The FSCG of the NSN 5305-01-668-4698 is 5305

Does the NSN 5305-01-668-4698 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-668-4698 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 5305-01-668-4698 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-668-4698 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-668-4698 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Fri, Nov 24, 2017