5305-01-390-5203

Find complete technical information, availability, and procurement data for: 5305-01-390-5203
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-390-5203

Item Name Code

18257

Assigment Date

05/21/1994 (32 years ago)

An item of any peripheral shape having flanges or groove(s) on its outer perimeter to provide a self-retaining characteristic when inserted in a hole, clamp, or the like. Designed for the purpose of protecting and/or insulating wires, cables and other items passing through it. Excludes:bushing, nonmetallic; bumper; and insulator bushing.

hexagon head style, 0.750 inches nominal fastener length, right-hand thread direction, 0.625 inches minimum and 0.750 inches maximum thread 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: 0.625 inches minimum and 0.750 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: hexagon
Head Height: 0.223 inches minimum and 0.246 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Hole Diameter: 0.062 inches nominal
Nominal Thread Diameter: 0.375 inches
Hole Quantity: 1
Hole Type: drilled
Features Provided: finished head
Thread Quantity Per Inch: 16
Hardness Rating: 33.0 rockwell c minimum overall
Hole Configuration Style: hexagon flats
Color: yellow or bronze or olive drab overall
Material: steel or steel uns k04100 overall
Material Document And Classification: sae j429 gr8 assn std 1st material response or astm a354 assn std 2nd material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 assn std single treatment response 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
AES01C375750AW9A9B	Hexagon Head Cap Screw
B1821BH038C075C	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-390-5203?

The FSCG of the NSN 5305-01-390-5203 is 5305

Does the NSN 5305-01-390-5203 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5305-01-390-5203 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 5305-01-390-5203 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-390-5203 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 5305-01-390-5203 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Sat, May 21, 1994