5305-01-105-9820

Find complete technical information, availability, and procurement data for: 5305-01-105-9820
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-105-9820

Item Name Code

18257

Assigment Date

01/09/1981 (45 years ago)

An insulator having flat surfaces, with or without holes, whose thickness does not exceed 25 percent of its length or width, whichever is smaller, and whose shape is other than round. Excludes:insulator (1), spacer; insulator (1), washer; mounting pad, electrical-electronic component; plate, electrical shield; and terminal board.

0.750 inches maximum thread length, right-hand thread direction, 2a thread class, 0.750 inches nominal fastener length, hexagon head style

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: 0.750 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches nominal first hole
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 70000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.797 inches nominal first hole
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-141-0001	No Name Available	04/01/1990

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
MS51110-6	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-105-9820?

The FSCG of the NSN 5305-01-105-9820 is 5305

Does the NSN 5305-01-105-9820 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-105-9820 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 5305-01-105-9820 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-105-9820 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 5305-01-105-9820 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Fri, Jan 9, 1981